[Settings]New Landing Page Experimentation (#22365)

Co-authored-by: Sophia Chen <sophia.six.chen@gmail.com>
Co-authored-by: Niels Laute <niels.laute@live.nl>
Co-authored-by: Sophia Chen <sophchen@microsoft.com>

.github/actions/spell-check/expect.txt

@@ -163,6 +163,7 @@ bricelam
 BRIGHTGREEN
 Browsable
 bsd
+Bson
 bstr
 bthprops
 bti
@@ -221,6 +222,7 @@ CLASSNOTAVAILABLE
 clickable
 clickonce
 CLIENTEDGE
+clientid
 clientside
 CLIPCHILDREN
 Clipperton
@@ -347,6 +349,7 @@ DARKYELLOW
 datareader
 datatemplate
 Datavalue
+dataversion
 DATAW
 davidegiacometti
 Dayof
@@ -1859,6 +1862,7 @@ TRAYMOUSEMESSAGE
 triaging
 TRK
 trl
+TServer
 Tshuapa
 TStr
 Tuva
@@ -1911,6 +1915,7 @@ unmute
 UNORM
 unregistering
 unremapped
+Unstub
 unsubscribe
 unvirtualized
 Updatelayout
@@ -1936,6 +1941,7 @@ UYVY
 vabdq
 validmodulename
 Vanara
+variantassignment
 vcamp
 vccorlib
 vcdl

.github/actions/spell-check/patterns.txt

@@ -62,6 +62,9 @@ https?://(?:(?:www\.|)youtube\.com|youtu.be)/[-a-zA-Z0-9?&=]*
 link\.medium\.com/[a-zA-Z0-9]+
 \bmedium\.com/\@[^/]+/[-\w]+
 
+# experimentation urls
+https?://default\.exp-tas\.com/[-_a-zA-Z0-9/]*
+
 publicKeyToken=(['"]|)[0-9a-f]+\g{-1}
 \@sha256:[0-9a-f]{64}\b
 

.pipelines/ESRPSigning_core.json

@@ -23,6 +23,7 @@
                 "PowerToys.Settings.UI.Lib.dll",
                 "PowerToys.GPOWrapper.dll",
                 "PowerToys.GPOWrapperProjection.dll",
+                "PowerToys.AllExperiments.dll",
 
                 "modules\\AlwaysOnTop\\PowerToys.AlwaysOnTop.exe",
                 "modules\\AlwaysOnTop\\PowerToys.AlwaysOnTopModuleInterface.dll",
@@ -202,6 +203,8 @@
                 "Mono.Cecil.Mdb.dll",
                 "Mono.Cecil.Pdb.dll",
                 "Mono.Cecil.Rocks.dll",
+                "Newtonsoft.Json.dll",
+                "Newtonsoft.Json.Bson.dll",
                 "NLog.dll",
                 "HtmlAgilityPack.dll",
                 "Markdig.Signed.dll",

.pipelines/ci/templates/build-powertoys-steps.yml

@@ -69,7 +69,7 @@ steps:
     configPath: NuGet.config
     restoreSolution: PowerToys.sln
     restoreDirectory: '$(Build.SourcesDirectory)\packages'
-    
+
 - task: VSBuild@1
   displayName: 'Build PowerToys.sln'
   inputs:
@@ -227,10 +227,17 @@ steps:
       **\powerpreviewTest.dll
       **\UnitTests-FancyZones.dll
       !**\obj\**
-  
+
+- task: PowerShell@2
+  displayName: Trigger dotnet welcome message so that it does not cause errors on other scripts
+  inputs:
+    targetType: 'inline'
+    script: |
+      dotnet list $(build.sourcesdirectory)\src\common\Common.UI\Common.UI.csproj package
+
 - task: PowerShell@2
   displayName: Verifying Notice.md and Nuget packages match
   inputs:
     filePath: '$(build.sourcesdirectory)\.pipelines\verifyNoticeMdAgainstNugetPackages.ps1'
     arguments: -path '$(build.sourcesdirectory)\'
-    pwsh: true
+    pwsh: true

.pipelines/release.yml

@@ -23,6 +23,7 @@ parameters:
 variables:
   IsPipeline: 1 # The installer uses this to detect whether it should pick up localizations
   SkipCppCodeAnalysis: 1 # Skip the code analysis to speed up release CI. It runs on PR CI, anyway
+  IsExperimentationLive: 1 # The build and installer use this to turn on experimentation
 
 name: $(BuildDefinitionName)_$(date:yyMM).$(date:dd)$(rev:rrr)
 resources:

.pipelines/verifyNoticeMdAgainstNugetPackages.ps1

@@ -38,6 +38,8 @@ $totalList = $projFiles | ForEach-Object -Parallel {
 
     if($nugetTemp -is [array] -and $nugetTemp.count -gt 3)
     {
+        # Need to debug this script? Uncomment this line.
+        # Write-Host $csproj "`r`n" $nugetTemp "`r`n"
         $temp = New-Object System.Collections.ArrayList
         $temp.AddRange($nugetTemp)
         $temp.RemoveRange(0, 3)

Directory.Packages.props

@@ -57,4 +57,9 @@
     <PackageVersion Include="Vanara.PInvoke.Shell32" Version="3.4.11" />
     <PackageVersion Include="WinUIEx" Version="1.8.0" />
   </ItemGroup>
+  <ItemGroup Condition="'$(IsExperimentationLive)'!=''">
+    <!-- Additional dependencies used by experimentation -->
+    <PackageVersion Include="Microsoft.VariantAssignment.Client" Version="2.4.17140001" />
+    <PackageVersion Include="Microsoft.VariantAssignment.Contract" Version="3.0.16990001" />
+  </ItemGroup>
 </Project>

PowerToys.sln

@@ -487,6 +487,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "StlThumbnailProviderCpp", "
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SvgThumbnailProviderCpp", "src\modules\previewpane\SvgThumbnailProviderCpp\SvgThumbnailProviderCpp.vcxproj", "{2BBC9E33-21EC-401C-84DA-BB6590A9B2AA}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AllExperiments", "src\common\AllExperiments\AllExperiments.csproj", "{9CE59ED5-7087-4353-88EB-788038A73CEC}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|ARM64 = Debug|ARM64
@@ -2022,6 +2024,18 @@ Global
 		{2BBC9E33-21EC-401C-84DA-BB6590A9B2AA}.Release|x64.Build.0 = Release|x64
 		{2BBC9E33-21EC-401C-84DA-BB6590A9B2AA}.Release|x86.ActiveCfg = Release|x64
 		{2BBC9E33-21EC-401C-84DA-BB6590A9B2AA}.Release|x86.Build.0 = Release|x64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Debug|ARM64.Build.0 = Debug|ARM64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Debug|x64.ActiveCfg = Debug|x64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Debug|x64.Build.0 = Debug|x64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Debug|x86.ActiveCfg = Debug|x64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Debug|x86.Build.0 = Debug|x64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Release|ARM64.ActiveCfg = Release|ARM64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Release|ARM64.Build.0 = Release|ARM64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Release|x64.ActiveCfg = Release|x64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Release|x64.Build.0 = Release|x64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Release|x86.ActiveCfg = Release|x64
+		{9CE59ED5-7087-4353-88EB-788038A73CEC}.Release|x86.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -2192,6 +2206,7 @@ Global
 		{CA5518ED-0458-4B09-8F53-4122B9888655} = {2F305555-C296-497E-AC20-5FA1B237996A}
 		{D6DCC3AE-18C0-488A-B978-BAA9E3CFF09D} = {2F305555-C296-497E-AC20-5FA1B237996A}
 		{2BBC9E33-21EC-401C-84DA-BB6590A9B2AA} = {2F305555-C296-497E-AC20-5FA1B237996A}
+		{9CE59ED5-7087-4353-88EB-788038A73CEC} = {1AFB6476-670D-4E80-A464-657E01DFF482}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {C3A2F9D1-7930-4EF4-A6FC-7EE0A99821D0}

installer/PowerToysSetup/Settings.wxs

@@ -4,12 +4,15 @@
 
   <?include $(sys.CURRENTDIR)\Common.wxi?>
 
-  <?define SettingsV2Files=WinUIEx.dll;backup_restore_settings.json;Ijwhost.dll;ColorCode.Core.dll;ColorCode.WinUI.dll;CommunityToolkit.Common.dll;CommunityToolkit.Labs.WinUI.SettingsControls.dll;CommunityToolkit.WinUI.dll;CommunityToolkit.WinUI.UI.Controls.Core.dll;CommunityToolkit.WinUI.UI.Controls.DataGrid.dll;CommunityToolkit.WinUI.UI.Controls.Input.dll;CommunityToolkit.WinUI.UI.Controls.Layout.dll;CommunityToolkit.WinUI.UI.Controls.Markdown.dll;CommunityToolkit.WinUI.UI.Controls.Media.dll;CommunityToolkit.WinUI.UI.Controls.Primitives.dll;CommunityToolkit.WinUI.UI.dll;icon.ico;Microsoft.Graphics.Canvas.Interop.dll;Microsoft.InteractiveExperiences.Projection.dll;Microsoft.Windows.ApplicationModel.DynamicDependency.Projection.dll;Microsoft.Windows.ApplicationModel.Resources.Projection.dll;Microsoft.Windows.ApplicationModel.WindowsAppRuntime.Projection.dll;Microsoft.Windows.AppLifecycle.Projection.dll;Microsoft.Windows.SDK.NET.dll;Microsoft.Windows.System.Power.Projection.dll;Microsoft.WindowsAppRuntime.Bootstrap.Net.dll;Microsoft.WinUI.dll;Microsoft.Xaml.Interactions.dll;Microsoft.Xaml.Interactivity.dll;PowerToys.ManagedCommon.dll;PowerToys.ManagedTelemetry.dll;PowerToys.Settings.deps.json;PowerToys.Settings.dll;PowerToys.Settings.exe;PowerToys.Settings.runtimeconfig.json;PowerToys.Settings.UI.Lib.dll;resources.pri;System.CodeDom.dll;System.IO.Abstractions.dll;WinRT.Runtime.dll;Microsoft.Graphics.Canvas.dll;System.Management.dll;PowerToys.GPOWrapper.dll;System.Text.Json.dll;WindowsBase.dll?>
+  <?define SettingsV2Files=WinUIEx.dll;backup_restore_settings.json;Ijwhost.dll;ColorCode.Core.dll;ColorCode.WinUI.dll;CommunityToolkit.Common.dll;CommunityToolkit.Labs.WinUI.SettingsControls.dll;CommunityToolkit.WinUI.dll;CommunityToolkit.WinUI.UI.Controls.Core.dll;CommunityToolkit.WinUI.UI.Controls.DataGrid.dll;CommunityToolkit.WinUI.UI.Controls.Input.dll;CommunityToolkit.WinUI.UI.Controls.Layout.dll;CommunityToolkit.WinUI.UI.Controls.Markdown.dll;CommunityToolkit.WinUI.UI.Controls.Media.dll;CommunityToolkit.WinUI.UI.Controls.Primitives.dll;CommunityToolkit.WinUI.UI.dll;icon.ico;Microsoft.Graphics.Canvas.Interop.dll;Microsoft.InteractiveExperiences.Projection.dll;Microsoft.Windows.ApplicationModel.DynamicDependency.Projection.dll;Microsoft.Windows.ApplicationModel.Resources.Projection.dll;Microsoft.Windows.ApplicationModel.WindowsAppRuntime.Projection.dll;Microsoft.Windows.AppLifecycle.Projection.dll;Microsoft.Windows.SDK.NET.dll;Microsoft.Windows.System.Power.Projection.dll;Microsoft.WindowsAppRuntime.Bootstrap.Net.dll;Microsoft.WinUI.dll;Microsoft.Xaml.Interactions.dll;Microsoft.Xaml.Interactivity.dll;PowerToys.ManagedCommon.dll;PowerToys.ManagedTelemetry.dll;PowerToys.Settings.deps.json;PowerToys.Settings.dll;PowerToys.Settings.exe;PowerToys.Settings.runtimeconfig.json;PowerToys.Settings.UI.Lib.dll;resources.pri;System.CodeDom.dll;System.IO.Abstractions.dll;WinRT.Runtime.dll;Microsoft.Graphics.Canvas.dll;System.Management.dll;PowerToys.GPOWrapper.dll;System.Text.Json.dll;WindowsBase.dll;PowerToys.AllExperiments.dll?>
   <?define SettingsV2AssetsModulesFiles=ColorPicker.png;FancyZones.png;FileLocksmith.png;AlwaysOnTop.png;HostsFileEditor.png;Awake.png;ImageResizer.png;KBM.png;MouseUtils.png;PowerAccent.png;PowerOCR.png;PowerLauncher.png;PowerPreview.png;PowerRename.png;PT.png;ScreenRuler.png;ShortcutGuide.png;VideoConference.png?>
   <?define SettingsV2OOBEAssetsModulesFiles=ColorPicker.gif;AlwaysOnTop.png;HostsFileEditor.png;Awake.png;FancyZones.gif;FileExplorer.png;FileLocksmith.gif;ImageResizer.gif;KBM.gif;MouseUtils.gif;PowerAccent.gif;PowerOCR.gif;PowerRename.gif;Run.gif;ScreenRuler.gif;OOBEShortcutGuide.png;VideoConferenceMute.png;OOBEPTHero.png?>
   <?define SettingsV2OOBEAssetsFluentIconsFiles=ColorPicker.png;FancyZones.png;FileLocksmith.png;AlwaysOnTop.png;Awake.png;FileExplorerPreview.png;FindMyMouse.png;Hosts.png;ImageResizer.png;KeyboardManager.png;MouseHighlighter.png;MouseCrosshairs.png;MouseUtils.png;PowerAccent.png;PowerOcr.png;PowerRename.png;PowerToys.png;PowerToysRun.png;ScreenRuler.png;Settings.png;ShortcutGuide.png;VideoConferenceMute.png?>
   <?define SettingsV2MicrosoftUIXamlAssetsInstallFiles=NoiseAsset_256x256_PNG.png?>
 
+  <!-- These files are needed for release builds to contain the experimentation DLLs -->
+  <?define PowerToysExperimentsFiles=Microsoft.VariantAssignment.Client.dll;Microsoft.VariantAssignment.Contract.dll;System.Net.Http.Formatting.dll;Microsoft.Extensions.Configuration.dll;Microsoft.Extensions.Configuration.Abstractions.dll;Microsoft.Extensions.Configuration.Binder.dll;Microsoft.Extensions.DependencyInjection.Abstractions.dll;Microsoft.Extensions.Http.dll;Microsoft.Extensions.Logging.dll;Microsoft.Extensions.Logging.Abstractions.dll;Microsoft.Extensions.Options.dll;Microsoft.Extensions.Primitives.dll;Newtonsoft.Json.dll;Newtonsoft.Json.Bson.dll?>
+
   <Fragment>
     <!-- SettingsV2 components -->
     <DirectoryRef Id="SettingsV2InstallFolder" FileSource="$(var.BinDir)Settings\">
@@ -18,6 +21,13 @@
           <File Id="SV2_$(var.File)" Source="$(var.BinDir)Settings\$(var.File)" />
         </Component>
       <?endforeach?>
+      <?ifdef env.IsExperimentationLive?>
+      <?foreach File in $(var.PowerToysExperimentsFiles)?>
+      <Component Id="SV2CE_$(var.File)" Win64="yes">
+        <File Id="SV2E_$(var.File)" Source="$(var.BinDir)Settings\$(var.File)" />
+      </Component>
+      <?endforeach?>
+      <?endif?>
     </DirectoryRef>
     <DirectoryRef Id="SettingsV2AssetsInstallFolder" FileSource="$(var.BinDir)Settings\Assets">
       <Component Id="SettingsV2Assets_LogoScale200" Win64="yes">
@@ -78,6 +88,11 @@
       <?foreach File in $(var.SettingsV2Files)?>
         <ComponentRef Id="SV2C_$(var.File)" />
       <?endforeach?>
+      <?ifdef env.IsExperimentationLive?>
+      <?foreach File in $(var.PowerToysExperimentsFiles)?>
+      <ComponentRef Id="SV2CE_$(var.File)" />
+      <?endforeach?>
+      <?endif?>
       <ComponentRef Id="SettingsV2Assets_LogoScale200" />
       <ComponentRef Id="SettingsV2Assets_SplashScreen" />
       <ComponentRef Id="SettingsV2Assets_StoreLogo_Scale100" />

src/common/AllExperiments/AllExperiments.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <Import Project="..\..\Version.props" />
+  <PropertyGroup>
+    <TargetFramework>net7.0-windows10.0.19041.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <TargetName>PowerToys.AllExperiments</TargetName>
+    <MockDirectory>.\Microsoft.VariantAssignment\</MockDirectory>
+  </PropertyGroup>
+
+  
+  <ItemGroup>
+    <ProjectReference Include="..\ManagedTelemetry\Telemetry\ManagedTelemetry.csproj" />
+    <ProjectReference Include="..\..\settings-ui\Settings.UI.Library\Settings.UI.Library.csproj" />
+  </ItemGroup>
+
+  <!-- Experimentation is live, forcing inclusion -->
+  <ItemGroup Condition="'$(IsExperimentationLive)'!=''">
+    <!-- Newtonsoft.Json is included and a version specified in Directory.Packages.props to avoid a vulnerability from older versions. -->
+    <PackageReference Include="Newtonsoft.Json" />
+    <PackageReference Include="Microsoft.VariantAssignment.Client" />
+    <PackageReference Include="Microsoft.VariantAssignment.Contract" />
+    <Compile Remove=".\$(MockDirectory)\Client\*.cs" />
+    <Compile Remove=".\$(MockDirectory)\Contract\*.cs" />
+  </ItemGroup>
+
+</Project>

src/common/AllExperiments/Experiments.cs

@@ -0,0 +1,211 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Numerics;
+using System.Runtime.InteropServices;
+using System.Text.Json;
+using Microsoft.PowerToys.Settings.UI.Library.Telemetry.Events;
+using Microsoft.PowerToys.Telemetry;
+using Microsoft.VariantAssignment.Client;
+using Microsoft.VariantAssignment.Contract;
+using Windows.System.Profile;
+
+namespace AllExperiments
+{
+// The dependencies required to build this project are only available in the official build pipeline and are internal to Microsoft.
+// However, this project is not required to build a test version of the application.
+    public class Experiments
+   {
+        public enum ExperimentState
+        {
+            Enabled,
+            Disabled,
+            NotLoaded,
+        }
+
+#pragma warning disable SA1401 // Need to use LandingPageExperiment as a static property in OobeShellPage.xaml.cs
+        public static ExperimentState LandingPageExperiment = ExperimentState.NotLoaded;
+#pragma warning restore SA1401
+
+        public async Task<bool> EnableLandingPageExperimentAsync()
+        {
+            if (Experiments.LandingPageExperiment != ExperimentState.NotLoaded)
+            {
+                return Experiments.LandingPageExperiment == ExperimentState.Enabled;
+            }
+
+            Experiments varServ = new Experiments();
+            await varServ.VariantAssignmentProvider_Initialize();
+            var landingPageExperiment = varServ.IsExperiment;
+
+            Experiments.LandingPageExperiment = landingPageExperiment ? ExperimentState.Enabled : ExperimentState.Disabled;
+
+            return landingPageExperiment;
+        }
+
+        private async Task VariantAssignmentProvider_Initialize()
+        {
+            IsExperiment = false;
+            string jsonFilePath = CreateFilePath();
+
+            var vaSettings = new VariantAssignmentClientSettings
+            {
+                Endpoint = new Uri("https://default.exp-tas.com/exptas77/a7a397e7-6fbe-4f21-a4e9-3f542e4b000e-exppowertoys/api/v1/tas"),
+                EnableCaching = true,
+                ResponseCacheTime = TimeSpan.FromMinutes(5),
+            };
+
+            try
+            {
+                var vaClient = vaSettings.GetTreatmentAssignmentServiceClient();
+                var vaRequest = GetVariantAssignmentRequest();
+                using var variantAssignments = await vaClient.GetVariantAssignmentsAsync(vaRequest).ConfigureAwait(false);
+
+                if (variantAssignments.AssignedVariants.Count != 0)
+                {
+                    var dataVersion = variantAssignments.DataVersion;
+                    var featureVariables = variantAssignments.GetFeatureVariables();
+                    var assignmentContext = variantAssignments.GetAssignmentContext();
+                    var featureFlagValue = featureVariables[0].GetStringValue();
+
+                    var experimentGroup = string.Empty;
+                    string json = File.ReadAllText(jsonFilePath);
+                    var jsonDictionary = JsonSerializer.Deserialize<Dictionary<string, object>>(json);
+
+                    if (jsonDictionary != null)
+                    {
+                        if (!jsonDictionary.ContainsKey("dataversion"))
+                        {
+                            jsonDictionary.Add("dataversion", dataVersion);
+                        }
+
+                        if (!jsonDictionary.ContainsKey("variantassignment"))
+                        {
+                            jsonDictionary.Add("variantassignment", featureFlagValue);
+                        }
+                        else
+                        {
+                            var jsonDataVersion = jsonDictionary["dataversion"].ToString();
+                            if (jsonDataVersion != null && int.Parse(jsonDataVersion) < dataVersion)
+                            {
+                                jsonDictionary["dataversion"] = dataVersion;
+                                jsonDictionary["variantassignment"] = featureFlagValue;
+                            }
+                        }
+
+                        experimentGroup = jsonDictionary["variantassignment"].ToString();
+
+                        string output = JsonSerializer.Serialize(jsonDictionary);
+                        File.WriteAllText(jsonFilePath, output);
+                    }
+
+                    if (experimentGroup == "alternate" && AssignmentUnit != string.Empty)
+                    {
+                        IsExperiment = true;
+                    }
+
+                    PowerToysTelemetry.Log.WriteEvent(new OobeVariantAssignmentEvent() { AssignmentContext = assignmentContext, ClientID = AssignmentUnit });
+                }
+            }
+            catch (HttpRequestException ex)
+            {
+                string json = File.ReadAllText(jsonFilePath);
+                var jsonDictionary = JsonSerializer.Deserialize<Dictionary<string, object>>(json);
+
+                if (jsonDictionary != null)
+                {
+                    if (jsonDictionary.ContainsKey("variantassignment"))
+                    {
+                        if (jsonDictionary["variantassignment"].ToString() == "alternate" && AssignmentUnit != string.Empty)
+                        {
+                            IsExperiment = true;
+                        }
+                    }
+                    else
+                    {
+                        jsonDictionary["variantassignment"] = "current";
+                    }
+                }
+
+                string output = JsonSerializer.Serialize(jsonDictionary);
+                File.WriteAllText(jsonFilePath, output);
+
+                Logger.LogError("Error getting to TAS endpoint", ex);
+            }
+            catch (Exception ex)
+            {
+                Logger.LogError("Error getting variant assignments for experiment", ex);
+            }
+        }
+
+        public bool IsExperiment { get; set; }
+
+        private string? AssignmentUnit { get; set; }
+
+        private IVariantAssignmentRequest GetVariantAssignmentRequest()
+        {
+            var jsonFilePath = CreateFilePath();
+            try
+            {
+                if (!File.Exists(jsonFilePath))
+                {
+                    AssignmentUnit = Guid.NewGuid().ToString();
+                    var data = new Dictionary<string, string>()
+                    {
+                        ["clientid"] = AssignmentUnit,
+                    };
+                    string jsonData = JsonSerializer.Serialize(data);
+                    File.WriteAllText(jsonFilePath, jsonData);
+                }
+                else
+                {
+                    string json = File.ReadAllText(jsonFilePath);
+                    var jsonDictionary = System.Text.Json.JsonSerializer.Deserialize<Dictionary<string, object>>(json);
+                    if (jsonDictionary != null)
+                    {
+                        AssignmentUnit = jsonDictionary["clientid"]?.ToString();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Logger.LogError("Error creating/getting AssignmentUnit", ex);
+            }
+
+            var attrNames = new List<string> { "FlightRing", "c:InstallLanguage" };
+            var attrData = AnalyticsInfo.GetSystemPropertiesAsync(attrNames).AsTask().GetAwaiter().GetResult();
+
+            var flightRing = string.Empty;
+            var installLanguage = string.Empty;
+
+            if (attrData.ContainsKey("FlightRing"))
+            {
+                flightRing = attrData["FlightRing"];
+            }
+
+            if (attrData.ContainsKey("InstallLanguage"))
+            {
+                installLanguage = attrData["InstallLanguage"];
+            }
+
+            return new VariantAssignmentRequest
+            {
+                Parameters =
+                {
+                    { "installLanguage", installLanguage },
+                    { "flightRing", flightRing },
+                    { "clientid", AssignmentUnit },
+                },
+            };
+        }
+
+        private string CreateFilePath()
+        {
+            var exeDir = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
+            var settingsPath = @"Microsoft\PowerToys\experimentation.json";
+            var filePath = Path.Combine(exeDir, settingsPath);
+            return filePath;
+        }
+    }
+}

src/common/AllExperiments/Logger.cs

@@ -0,0 +1,81 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Diagnostics;
+using System.Globalization;
+using System.IO.Abstractions;
+
+namespace AllExperiments
+{
+    public static class Logger
+    {
+        private static readonly IFileSystem FileSystem = new FileSystem();
+        private static readonly IPath Path = FileSystem.Path;
+        private static readonly IDirectory Directory = FileSystem.Directory;
+
+        private static readonly string ApplicationLogPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Microsoft\\PowerToys\\Settings Logs\\Experimentation");
+
+        static Logger()
+        {
+            if (!Directory.Exists(ApplicationLogPath))
+            {
+                Directory.CreateDirectory(ApplicationLogPath);
+            }
+
+            // Using InvariantCulture since this is used for a log file name
+            var logFilePath = Path.Combine(ApplicationLogPath, "Log_" + DateTime.Now.ToString(@"yyyy-MM-dd", CultureInfo.InvariantCulture) + ".txt");
+
+            Trace.Listeners.Add(new TextWriterTraceListener(logFilePath));
+
+            Trace.AutoFlush = true;
+        }
+
+        public static void LogInfo(string message)
+        {
+            Log(message, "INFO");
+        }
+
+        public static void LogError(string message)
+        {
+            Log(message, "ERROR");
+#if DEBUG
+            Debugger.Break();
+#endif
+        }
+
+        public static void LogError(string message, Exception e)
+        {
+            Log(
+                message + Environment.NewLine +
+                e?.Message + Environment.NewLine +
+                "Inner exception: " + Environment.NewLine +
+                e?.InnerException?.Message + Environment.NewLine +
+                "Stack trace: " + Environment.NewLine +
+                e?.StackTrace,
+                "ERROR");
+#if DEBUG
+            Debugger.Break();
+#endif
+        }
+
+        private static void Log(string message, string type)
+        {
+            Trace.WriteLine(type + ": " + DateTime.Now.TimeOfDay);
+            Trace.Indent();
+            Trace.WriteLine(GetCallerInfo());
+            Trace.WriteLine(message);
+            Trace.Unindent();
+        }
+
+        private static string GetCallerInfo()
+        {
+            StackTrace stackTrace = new StackTrace();
+
+            var methodName = stackTrace.GetFrame(3)?.GetMethod();
+            var className = methodName?.DeclaringType?.Name;
+            return "[Method]: " + methodName?.Name + " [Class]: " + className;
+        }
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Client/VariantAssignmentClientExtensionMethods.cs

@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.VariantAssignment.Contract;
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Client
+{
+#pragma warning disable SA1200 // Using directives should be placed correctly
+    using TreatmentAssignmentServiceClient = VariantAssignmentServiceClient<TreatmentAssignmentServiceResponse>;
+#pragma warning restore SA1200 // Using directives should be placed correctly
+
+    public static class VariantAssignmentClientExtensionMethods
+    {
+        public static IVariantAssignmentProvider GetTreatmentAssignmentServiceClient(this VariantAssignmentClientSettings settings)
+        {
+            return new TreatmentAssignmentServiceClient();
+        }
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Client/VariantAssignmentServiceClient.cs

@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.VariantAssignment.Contract;
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Client
+{
+    internal partial class VariantAssignmentServiceClient<TServerResponse> : IVariantAssignmentProvider, IDisposable
+        where TServerResponse : VariantAssignmentServiceResponse
+    {
+        public void Dispose()
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IVariantAssignmentResponse> GetVariantAssignmentsAsync(IVariantAssignmentRequest request, CancellationToken ct = default)
+        {
+            return Task.FromResult(EmptyVariantAssignmentResponse.Instance);
+        }
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/EmptyVariantAssignmentResponse.cs

@@ -0,0 +1,48 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    public class EmptyVariantAssignmentResponse : IVariantAssignmentResponse
+    {
+        /// <summary>
+        /// Singleton instance of <see cref="EmptyVariantAssignmentResponse"/>.
+        /// </summary>
+        public static readonly IVariantAssignmentResponse Instance = new EmptyVariantAssignmentResponse();
+
+        public EmptyVariantAssignmentResponse()
+        {
+        }
+
+        public long DataVersion => 0;
+
+        public string Thumbprint => string.Empty;
+
+        /// <inheritdoc/>
+        public IReadOnlyCollection<IAssignedVariant> AssignedVariants => Array.Empty<IAssignedVariant>();
+
+        /// <inheritdoc/>
+#pragma warning disable CS8603 // Possible null reference return.
+        public IFeatureVariable GetFeatureVariable(IReadOnlyList<string> path) => null;
+#pragma warning restore CS8603 // Possible null reference return.
+
+        /// <inheritdoc/>
+        public IReadOnlyList<IFeatureVariable> GetFeatureVariables(IReadOnlyList<string> prefix) => Array.Empty<IFeatureVariable>();
+
+        void IDisposable.Dispose()
+        {
+        }
+
+        string IVariantAssignmentResponse.GetAssignmentContext()
+        {
+            throw new NotImplementedException();
+        }
+
+        IReadOnlyList<IFeatureVariable> IVariantAssignmentResponse.GetFeatureVariables()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/IAssignedVariant.cs

@@ -0,0 +1,11 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    public interface IAssignedVariant
+    {
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/IFeatureVariable.cs

@@ -0,0 +1,16 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    public interface IFeatureVariable
+    {
+        /// <summary>
+        /// Gets the variable's value as a string.
+        /// </summary>
+        /// <returns>String value of the variable.</returns>
+        string GetStringValue();
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/IVariantAssignmentProvider.cs

@@ -0,0 +1,18 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    public interface IVariantAssignmentProvider : IDisposable
+    {
+        /// <summary>
+        /// Computes variant assignments based on <paramref name="request"/> data.
+        /// </summary>
+        /// <param name="request">Variant assignment parameters.</param>
+        /// <param name="ct">Propagates notification that operations should be canceled.</param>
+        /// <returns>An awaitable task that returns a <see cref="IVariantAssignmentResponse"/>.</returns>
+        Task<IVariantAssignmentResponse> GetVariantAssignmentsAsync(IVariantAssignmentRequest request, CancellationToken ct = default);
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/IVariantAssignmentRequest.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    public interface IVariantAssignmentRequest
+    {
+        /// <summary>
+        /// Gets inputs used for evaluating filters, assignment units, etc.
+        /// </summary>
+        IReadOnlyCollection<(string Key, string Value)> Parameters { get; }
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/IVariantAssignmentResponse.cs

@@ -0,0 +1,48 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    /// <summary>
+    /// Snapshot of variant assignments.
+    /// </summary>
+    public interface IVariantAssignmentResponse : IDisposable
+    {
+        ///// <summary>
+        ///// Gets the serial number of variant assignment configuration snapshot used when assigning variants.
+        ///// </summary>
+        long DataVersion { get; }
+
+        ///// <summary>
+        ///// Get a hash of the response suitable for caching.
+        ///// </summary>
+        // string Thumbprint { get; }
+
+        /// <summary>
+        /// Gets the variants assigned based on request parameters and a variant configuration snapshot.
+        /// </summary>
+        IReadOnlyCollection<IAssignedVariant> AssignedVariants { get; }
+
+        /// <summary>
+        /// Gets feature variables assigned by variants in this response.
+        /// </summary>
+        /// <param name="prefix">(Optional) Filter feature variables where <see cref="IFeatureVariable.KeySegments"/> contains the <paramref name="prefix"/>.</param>
+        /// <returns>Range of matching feature variables.</returns>
+        IReadOnlyList<IFeatureVariable> GetFeatureVariables(IReadOnlyList<string> prefix);
+
+        // this actually part of the interface but gets the job done
+        IReadOnlyList<IFeatureVariable> GetFeatureVariables();
+
+        // this actually part of the interface but gets the job done
+        string GetAssignmentContext();
+
+        /// <summary>
+        /// Gets a single feature variable assigned by variants in this response.
+        /// </summary>
+        /// <param name="path">Exact feature variable path.</param>
+        /// <returns>Matching feature variable or null.</returns>
+        IFeatureVariable GetFeatureVariable(IReadOnlyList<string> path);
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/TreatmentAssignmentServiceResponse.cs

@@ -0,0 +1,11 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    internal class TreatmentAssignmentServiceResponse : VariantAssignmentServiceResponse
+    {
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/VariantAssignmentClientSettings.cs

@@ -0,0 +1,31 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.ComponentModel.DataAnnotations;
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    /// <summary>
+    /// Configuration for variant assignment service client.
+    /// </summary>
+    public class VariantAssignmentClientSettings
+    {
+        /// <summary>
+        /// Gets or sets the variant assignment service endpoint URL.
+        /// </summary>
+        [Required]
+        public Uri? Endpoint { get; set; }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether gets or sets a value whether client side request caching should be enabled.
+        /// </summary>
+        public bool EnableCaching { get; set; }
+
+        /// <summary>
+        /// Gets or sets the the maximum time a cached variant assignment response may be used without re-validating.
+        /// </summary>
+        public TimeSpan ResponseCacheTime { get; set; }
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/VariantAssignmentRequest.cs

@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections.Specialized;
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    public class VariantAssignmentRequest : IVariantAssignmentRequest
+    {
+        private NameValueCollection _parameters = new NameValueCollection();
+
+        /// <summary>
+        /// Gets or sets mutable <see cref="IVariantAssignmentRequest.Parameters"/>.
+        /// </summary>
+        public NameValueCollection Parameters { get => _parameters; set => _parameters = value; }
+
+        IReadOnlyCollection<(string Key, string Value)> IVariantAssignmentRequest.Parameters => (IReadOnlyCollection<(string Key, string Value)>)_parameters;
+    }
+}

src/common/AllExperiments/Microsoft.VariantAssignment/Contract/VariantAssignmentServiceResponse.cs

@@ -0,0 +1,48 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// The goal of this class is to just mock out the Microsoft.VariantAssignment close source objects
+namespace Microsoft.VariantAssignment.Contract
+{
+    /// <summary>
+    /// Mutable implementation of <see cref="IVariantAssignmentResponse"/> for (de)serialization.
+    /// </summary>
+    internal class VariantAssignmentServiceResponse : IVariantAssignmentResponse, IDisposable
+    {
+        /// <inheritdoc />
+        public virtual long DataVersion { get; set; }
+
+        public virtual IReadOnlyCollection<IAssignedVariant> AssignedVariants { get; set; } = Array.Empty<IAssignedVariant>();
+
+        public IFeatureVariable GetFeatureVariable(IReadOnlyList<string> path)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IReadOnlyList<IFeatureVariable> GetFeatureVariables(IReadOnlyList<string> prefix)
+        {
+            throw new NotImplementedException();
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        public IReadOnlyList<IFeatureVariable> GetFeatureVariables()
+        {
+            throw new NotImplementedException();
+        }
+
+        public string GetAssignmentContext()
+        {
+            return string.Empty;
+        }
+    }
+}

src/runner/general_settings.cpp

@@ -16,6 +16,7 @@
 static std::wstring settings_theme = L"system";
 static bool run_as_elevated = false;
 static bool download_updates_automatically = true;
+static bool enable_experimentation = true;
 
 json::JsonObject GeneralSettings::to_json()
 {
@@ -37,6 +38,7 @@ json::JsonObject GeneralSettings::to_json()
     result.SetNamedValue(L"is_elevated", json::value(isElevated));
     result.SetNamedValue(L"run_elevated", json::value(isRunElevated));
     result.SetNamedValue(L"download_updates_automatically", json::value(downloadUpdatesAutomatically));
+    result.SetNamedValue(L"enable_experimentation", json::value(enableExperimentation));
     result.SetNamedValue(L"is_admin", json::value(isAdmin));
     result.SetNamedValue(L"theme", json::value(theme));
     result.SetNamedValue(L"system_theme", json::value(systemTheme));
@@ -55,6 +57,7 @@ json::JsonObject load_general_settings()
     }
     run_as_elevated = loaded.GetNamedBoolean(L"run_elevated", false);
     download_updates_automatically = loaded.GetNamedBoolean(L"download_updates_automatically", true) && check_user_is_admin();
+    enable_experimentation = loaded.GetNamedBoolean(L"enable_experimentation",true);
 
     return loaded;
 }
@@ -67,6 +70,7 @@ GeneralSettings get_general_settings()
         .isRunElevated = run_as_elevated,
         .isAdmin = is_user_admin,
         .downloadUpdatesAutomatically = download_updates_automatically && is_user_admin,
+        .enableExperimentation = enable_experimentation,
         .theme = settings_theme,
         .systemTheme = WindowsColors::is_dark_mode() ? L"dark" : L"light",
         .powerToysVersion = get_product_version()
@@ -89,6 +93,8 @@ void apply_general_settings(const json::JsonObject& general_configs, bool save)
 
     download_updates_automatically = general_configs.GetNamedBoolean(L"download_updates_automatically", true);
 
+    enable_experimentation = general_configs.GetNamedBoolean(L"enable_experimentation", true);
+
     if (json::has(general_configs, L"startup", json::JsonValueType::Boolean))
     {
         const bool startup = general_configs.GetNamedBoolean(L"startup");

src/runner/general_settings.h

@@ -11,6 +11,7 @@ struct GeneralSettings
     bool isRunElevated;
     bool isAdmin;
     bool downloadUpdatesAutomatically;
+    bool enableExperimentation;
     std::wstring theme;
     std::wstring systemTheme;
     std::wstring powerToysVersion;

src/runner/trace.cpp

@@ -56,6 +56,7 @@ void Trace::SettingsChanged(const GeneralSettings& settings)
         TraceLoggingWideString(enabledModules.c_str(), "ModulesEnabled"),
         TraceLoggingBoolean(settings.isRunElevated, "AlwaysRunElevated"),
         TraceLoggingBoolean(settings.downloadUpdatesAutomatically, "DownloadUpdatesAutomatically"),
+        TraceLoggingBoolean(settings.enableExperimentation, "EnableExperimentation"),
         TraceLoggingWideString(settings.theme.c_str(), "Theme"),
         ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
         TraceLoggingBoolean(TRUE, "UTCReplace_AppSessionGuid"),

src/settings-ui/Settings.UI.Library/GeneralSettings.cs

@@ -49,12 +49,16 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         [JsonPropertyName("download_updates_automatically")]
         public bool AutoDownloadUpdates { get; set; }
 
+        [JsonPropertyName("enable_experimentation")]
+        public bool EnableExperimentation { get; set; }
+
         public GeneralSettings()
         {
             Startup = false;
             IsAdmin = false;
             IsElevated = false;
             AutoDownloadUpdates = false;
+            EnableExperimentation = true;
             Theme = "system";
             SystemTheme = "light";
             try

src/settings-ui/Settings.UI.Library/Telemetry/Events/OobeVariantAssignmentEvent.cs

@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Diagnostics.Tracing;
+using Microsoft.PowerToys.Telemetry;
+using Microsoft.PowerToys.Telemetry.Events;
+
+namespace Microsoft.PowerToys.Settings.UI.Library.Telemetry.Events
+{
+    [EventData]
+    public class OobeVariantAssignmentEvent : EventBase, IEvent
+    {
+        public string AssignmentContext { get; set; }
+
+        public string ClientID { get; set; }
+
+        public PartA_PrivTags PartA_PrivTags => PartA_PrivTags.ProductAndServiceUsage;
+    }
+}

src/settings-ui/Settings.UI.UnitTests/Settings.UI.UnitTests.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>net7.0-windows10.0.19041.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    
+    <RuntimeIdentifiers>win10-x64;win10-arm64</RuntimeIdentifiers>
     <Version>$(Version).0</Version>
   </PropertyGroup>
 

src/settings-ui/Settings.UI/Controls/OOBEPageControl/OOBEPageControl.xaml

@@ -10,12 +10,13 @@
 
     <Grid>
         <Grid.RowDefinitions>
-            <RowDefinition Height="280" />
+            <RowDefinition Height="Auto" />
             <RowDefinition Height="*" />
         </Grid.RowDefinitions>
 
         <Image
             x:Name="HeaderImage"
+            Height="{x:Bind HeroImageHeight}"
             Source="{x:Bind HeroImage}"
             Stretch="UniformToFill" />
 
@@ -23,9 +24,7 @@
             Grid.Row="1"
             Padding="32,24,32,24"
             VerticalScrollBarVisibility="Auto">
-            <StackPanel
-                VerticalAlignment="Top"
-                Orientation="Vertical">
+            <StackPanel VerticalAlignment="Top" Orientation="Vertical">
 
                 <TextBlock
                     x:Name="TitleTxt"
@@ -49,4 +48,4 @@
             </StackPanel>
         </ScrollViewer>
     </Grid>
-</UserControl>
+</UserControl>

src/settings-ui/Settings.UI/Controls/OOBEPageControl/OOBEPageControl.xaml.cs

@@ -32,6 +32,12 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
             set => SetValue(HeroImageProperty, value);
         }
 
+        public double HeroImageHeight
+        {
+            get { return (double)GetValue(HeroImageHeightProperty); }
+            set { SetValue(HeroImageHeightProperty, value); }
+        }
+
         public object PageContent
         {
             get { return (object)GetValue(PageContentProperty); }
@@ -42,5 +48,6 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
         public static readonly DependencyProperty DescriptionProperty = DependencyProperty.Register("Description", typeof(string), typeof(SettingsPageControl), new PropertyMetadata(default(string)));
         public static readonly DependencyProperty HeroImageProperty = DependencyProperty.Register("HeroImage", typeof(string), typeof(SettingsPageControl), new PropertyMetadata(default(string)));
         public static readonly DependencyProperty PageContentProperty = DependencyProperty.Register("PageContent", typeof(object), typeof(SettingsPageControl), new PropertyMetadata(new Grid()));
+        public static readonly DependencyProperty HeroImageHeightProperty = DependencyProperty.Register("HeroImageHeight", typeof(double), typeof(SettingsPageControl), new PropertyMetadata(280.0));
     }
 }

src/settings-ui/Settings.UI/OOBE/Views/OobeOverviewAlternate.xaml

@@ -0,0 +1,193 @@
+<Page
+    x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeOverviewAlternate"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d">
+
+    <controls:OOBEPageControl
+        x:Uid="Oobe_Overview"
+        HeroImage="ms-appx:///Assets/Modules/OOBE/OOBEPTHero.png"
+        HeroImageHeight="120">
+
+        <controls:OOBEPageControl.PageContent>
+            <StackPanel Orientation="Vertical">
+                <TextBlock
+                    x:Uid="Alternate_OOBE_Description"
+                    Margin="0,24,0,12"
+                    FontWeight="SemiBold" />
+                <GridView Margin="-8,0,0,0" SelectionMode="None">
+                    <GridViewItem>
+                        <Grid
+                            Width="280"
+                            Margin="8"
+                            Padding="16,16,16,10"
+                            Background="{ThemeResource CardBackgroundFillColorDefaultBrush}"
+                            BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}"
+                            BorderThickness="1"
+                            CornerRadius="8"
+                            RowSpacing="0">
+
+                            <Grid.RowDefinitions>
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                            </Grid.RowDefinitions>
+                            <Image
+                                Width="36"
+                                HorizontalAlignment="Left"
+                                Source="ms-appx:///Assets/FluentIcons/FluentIconsFancyZones.png" />
+                            <TextBlock
+                                x:Uid="Alternate_OOBE_FancyZones_Title"
+                                Grid.Row="1"
+                                Margin="0,12,0,6"
+                                HorizontalAlignment="Left"
+                                FontSize="16"
+                                FontWeight="SemiBold"
+                                TextWrapping="Wrap" />
+                            <TextBlock
+                                x:Uid="Alternate_OOBE_FancyZones_Description"
+                                Grid.Row="2"
+                                FontSize="12"
+                                Foreground="{ThemeResource TextFillColorSecondaryBrush}"
+                                TextWrapping="Wrap" />
+                            <controls:ShortcutWithTextLabelControl
+                                x:Name="FancyZonesHotkeyControl"
+                                Grid.Row="3"
+                                Margin="0,8,0,0" />
+                        </Grid>
+                    </GridViewItem>
+
+                    <GridViewItem>
+                        <Grid
+                            Width="280"
+                            Padding="16,16,16,10"
+                            Background="{ThemeResource CardBackgroundFillColorDefaultBrush}"
+                            BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}"
+                            BorderThickness="1"
+                            CornerRadius="8"
+                            RowSpacing="0">
+
+                            <Grid.RowDefinitions>
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                            </Grid.RowDefinitions>
+                            <Image
+                                Width="36"
+                                HorizontalAlignment="Left"
+                                Source="ms-appx:///Assets/FluentIcons/FluentIconsPowerToysRun.png" />
+                            <TextBlock
+                                x:Uid="Alternate_OOBE_Run_Title"
+                                Grid.Row="1"
+                                Margin="0,12,0,6"
+                                HorizontalAlignment="Left"
+                                FontSize="16"
+                                FontWeight="SemiBold"
+                                TextWrapping="Wrap" />
+                            <TextBlock
+                                x:Uid="Alternate_OOBE_Run_Description"
+                                Grid.Row="2"
+                                FontSize="12"
+                                Foreground="{ThemeResource TextFillColorSecondaryBrush}"
+                                TextWrapping="Wrap" />
+                            <controls:ShortcutWithTextLabelControl
+                                x:Name="RunHotkeyControl"
+                                Grid.Row="3"
+                                Margin="0,8,0,0" />
+                        </Grid>
+                    </GridViewItem>
+
+                    <GridViewItem>
+                        <Grid
+                            Width="280"
+                            Padding="16,16,16,10"
+                            Background="{ThemeResource CardBackgroundFillColorDefaultBrush}"
+                            BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}"
+                            BorderThickness="1"
+                            CornerRadius="8"
+                            RowSpacing="0">
+
+                            <Grid.RowDefinitions>
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                            </Grid.RowDefinitions>
+                            <Image
+                                Width="36"
+                                HorizontalAlignment="Left"
+                                Source="ms-appx:///Assets/FluentIcons/FluentIconsColorPicker.png" />
+                            <TextBlock
+                                x:Uid="Alternate_OOBE_ColorPicker_Title"
+                                Grid.Row="1"
+                                Margin="0,12,0,6"
+                                HorizontalAlignment="Left"
+                                FontSize="16"
+                                FontWeight="SemiBold"
+                                TextWrapping="Wrap" />
+                            <TextBlock
+                                x:Uid="Alternate_OOBE_ColorPicker_Description"
+                                Grid.Row="2"
+                                FontSize="12"
+                                Foreground="{ThemeResource TextFillColorSecondaryBrush}"
+                                Text="To pick a color:"
+                                TextWrapping="Wrap" />
+                            <controls:ShortcutWithTextLabelControl
+                                x:Name="ColorPickerHotkeyControl"
+                                Grid.Row="3"
+                                Margin="0,8,0,0" />
+                        </Grid>
+                    </GridViewItem>
+
+                    <GridViewItem>
+                        <Grid
+                            Width="280"
+                            Padding="16,16,16,10"
+                            Background="{ThemeResource CardBackgroundFillColorDefaultBrush}"
+                            BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}"
+                            BorderThickness="1"
+                            CornerRadius="8"
+                            RowSpacing="0">
+
+                            <Grid.RowDefinitions>
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                            </Grid.RowDefinitions>
+                            <Image
+                                Width="36"
+                                HorizontalAlignment="Left"
+                                Source="ms-appx:///Assets/FluentIcons/FluentIconsAlwaysOnTop.png" />
+                            <TextBlock
+                                x:Uid="Alternate_OOBE_AlwaysOnTop_Title"
+                                Grid.Row="1"
+                                Margin="0,12,0,6"
+                                HorizontalAlignment="Left"
+                                FontSize="16"
+                                FontWeight="SemiBold"
+                                TextWrapping="Wrap" />
+                            <TextBlock
+                                x:Uid="Alternate_OOBE_AlwaysOnTop_Description"
+                                Grid.Row="2"
+                                FontSize="12"
+                                Foreground="{ThemeResource TextFillColorSecondaryBrush}"
+                                TextWrapping="Wrap" />
+                            <controls:ShortcutWithTextLabelControl
+                                x:Name="AlwaysOnTopHotkeyControl"
+                                Grid.Row="3"
+                                Margin="0,8,0,0" />
+                        </Grid>
+                    </GridViewItem>
+
+                </GridView>
+            </StackPanel>
+        </controls:OOBEPageControl.PageContent>
+    </controls:OOBEPageControl>
+</Page>

src/settings-ui/Settings.UI/OOBE/Views/OobeOverviewAlternate.xaml.cs

@@ -0,0 +1,50 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.PowerToys.Settings.UI.Library;
+using Microsoft.PowerToys.Settings.UI.OOBE.Enums;
+using Microsoft.PowerToys.Settings.UI.OOBE.ViewModel;
+using Microsoft.PowerToys.Settings.UI.Views;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Navigation;
+
+namespace Microsoft.PowerToys.Settings.UI.OOBE.Views
+{
+    public sealed partial class OobeOverviewAlternate : Page
+    {
+        public OobePowerToysModule ViewModel { get; set; }
+
+        public OobeOverviewAlternate()
+        {
+            this.InitializeComponent();
+            ViewModel = new OobePowerToysModule(OobeShellPage.OobeShellHandler.Modules[(int)PowerToysModules.Overview]);
+            DataContext = ViewModel;
+
+            FancyZonesHotkeyControl.Keys = SettingsRepository<FancyZonesSettings>.GetInstance(new SettingsUtils()).SettingsConfig.Properties.FancyzonesEditorHotkey.Value.GetKeysList();
+            RunHotkeyControl.Keys = SettingsRepository<PowerLauncherSettings>.GetInstance(new SettingsUtils()).SettingsConfig.Properties.OpenPowerLauncher.GetKeysList();
+            ColorPickerHotkeyControl.Keys = SettingsRepository<ColorPickerSettings>.GetInstance(new SettingsUtils()).SettingsConfig.Properties.ActivationShortcut.GetKeysList();
+            AlwaysOnTopHotkeyControl.Keys = SettingsRepository<AlwaysOnTopSettings>.GetInstance(new SettingsUtils()).SettingsConfig.Properties.Hotkey.Value.GetKeysList();
+        }
+
+        private void SettingsLaunchButton_Click(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
+        {
+            if (OobeShellPage.OpenMainWindowCallback != null)
+            {
+                OobeShellPage.OpenMainWindowCallback(typeof(GeneralPage));
+            }
+
+            ViewModel.LogOpeningSettingsEvent();
+        }
+
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            ViewModel.LogOpeningModuleEvent();
+        }
+
+        protected override void OnNavigatedFrom(NavigationEventArgs e)
+        {
+            ViewModel.LogClosingModuleEvent();
+        }
+    }
+}

src/settings-ui/Settings.UI/OOBE/Views/OobeOverviewPlaceholder.xaml

@@ -0,0 +1,23 @@
+<!-- Copyright (c) Microsoft Corporation. All rights reserved. -->
+<!-- Licensed under the MIT License. See LICENSE in the project root for license information. -->
+
+<Page
+    x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeOverviewPlaceholder"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+    Loaded="Page_Loaded"
+    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+
+    <Grid Margin="0,24,0,0">
+        <ProgressRing
+                    x:Name="LoadingProgressRing"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Center"
+                    IsIndeterminate="True"
+                    Visibility="Visible" />
+    </Grid>
+</Page>

src/settings-ui/Settings.UI/OOBE/Views/OobeOverviewPlaceholder.xaml.cs

@@ -0,0 +1,73 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Threading.Tasks;
+using AllExperiments;
+using Microsoft.PowerToys.Settings.UI.OOBE.Enums;
+using Microsoft.PowerToys.Settings.UI.OOBE.ViewModel;
+using Microsoft.PowerToys.Settings.UI.Services;
+using Microsoft.PowerToys.Settings.UI.Views;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Navigation;
+
+namespace Microsoft.PowerToys.Settings.UI.OOBE.Views
+{
+    public sealed partial class OobeOverviewPlaceholder : Page
+    {
+        public OobePowerToysModule ViewModel { get; set; }
+
+        public OobeOverviewPlaceholder()
+        {
+            this.InitializeComponent();
+            ViewModel = new OobePowerToysModule(OobeShellPage.OobeShellHandler.Modules[(int)PowerToysModules.Overview]);
+            DataContext = ViewModel;
+        }
+
+        private static async Task<bool> GetIsExperiment()
+        {
+            Experiments landingPageExp = new Experiments();
+            var experimentEnabled = await landingPageExp.EnableLandingPageExperimentAsync();
+            return experimentEnabled;
+        }
+
+        private async void Reload()
+        {
+            var isExperiment = await GetIsExperiment();
+
+            if (isExperiment)
+            {
+                this.Frame.Navigate(typeof(OobeOverviewAlternate));
+            }
+            else
+            {
+                this.Frame.Navigate(typeof(OobeOverview));
+            }
+        }
+
+        private void Page_Loaded(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
+        {
+            Reload();
+        }
+
+        private void SettingsLaunchButton_Click(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
+        {
+            if (OobeShellPage.OpenMainWindowCallback != null)
+            {
+                OobeShellPage.OpenMainWindowCallback(typeof(GeneralPage));
+            }
+
+            ViewModel.LogOpeningSettingsEvent();
+        }
+
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            ViewModel.LogOpeningModuleEvent();
+        }
+
+        protected override void OnNavigatedFrom(NavigationEventArgs e)
+        {
+            ViewModel.LogClosingModuleEvent();
+        }
+    }
+}

src/settings-ui/Settings.UI/OOBE/Views/OobeShellPage.xaml.cs

@@ -4,6 +4,8 @@
 
 using System;
 using System.Collections.ObjectModel;
+using System.Globalization;
+using AllExperiments;
 using Microsoft.PowerToys.Settings.UI.Library;
 using Microsoft.PowerToys.Settings.UI.OOBE.Enums;
 using Microsoft.PowerToys.Settings.UI.OOBE.ViewModel;
@@ -47,10 +49,16 @@ namespace Microsoft.PowerToys.Settings.UI.OOBE.Views
 
         public ObservableCollection<OobePowerToysModule> Modules { get; }
 
+        private static ISettingsUtils settingsUtils = new SettingsUtils();
+
+        private bool ExperimentationToggleSwitchEnabled { get; set; } = true;
+
         public OobeShellPage()
         {
             InitializeComponent();
 
+            ExperimentationToggleSwitchEnabled = SettingsRepository<GeneralSettings>.GetInstance(settingsUtils).SettingsConfig.EnableExperimentation;
+
             DataContext = ViewModel;
             OobeShellHandler = this;
             UpdateUITheme();
@@ -186,7 +194,27 @@ namespace Microsoft.PowerToys.Settings.UI.OOBE.Views
             {
                 switch (selectedItem.Tag)
                 {
-                    case "Overview": NavigationFrame.Navigate(typeof(OobeOverview)); break;
+                    case "Overview":
+                        if (ExperimentationToggleSwitchEnabled)
+                        {
+                            switch (AllExperiments.Experiments.LandingPageExperiment)
+                            {
+                                case Experiments.ExperimentState.Enabled:
+                                    NavigationFrame.Navigate(typeof(OobeOverviewAlternate)); break;
+                                case Experiments.ExperimentState.Disabled:
+                                    NavigationFrame.Navigate(typeof(OobeOverview)); break;
+                                case Experiments.ExperimentState.NotLoaded:
+                                    NavigationFrame.Navigate(typeof(OobeOverviewPlaceholder)); break;
+                            }
+
+                            break;
+                        }
+                        else
+                        {
+                            NavigationFrame.Navigate(typeof(OobeOverview));
+                            break;
+                        }
+
                     case "WhatsNew": NavigationFrame.Navigate(typeof(OobeWhatsNew)); break;
                     case "AlwaysOnTop": NavigationFrame.Navigate(typeof(OobeAlwaysOnTop)); break;
                     case "Awake": NavigationFrame.Navigate(typeof(OobeAwake)); break;

src/settings-ui/Settings.UI/PowerToys.Settings.csproj

@@ -55,6 +55,9 @@
 	<PropertyGroup>
 		<RestoreAdditionalProjectSources>https://pkgs.dev.azure.com/dotnet/CommunityToolkit/_packaging/CommunityToolkit-Labs/nuget/v3/index.json</RestoreAdditionalProjectSources>
 	</PropertyGroup>
+	<ItemGroup>
+	  <None Remove="OOBE\Views\OobeOverviewPlaceholder.xaml" />
+	</ItemGroup>
 	<ItemGroup>
 	  <None Remove="Controls\ColorFormatEditor.xaml" />
 	</ItemGroup>
@@ -91,15 +94,19 @@
   <!-- Defining the "Msix" ProjectCapability here allows the Single-project MSIX Packaging
        Tools extension to be activated for this project even if the Windows App SDK Nuget
        package has not yet been restored -->
+	
   <ItemGroup Condition="'$(DisableMsixProjectCapabilityAddedByProject)'!='true' and '$(EnablePreviewMsixTooling)'=='true'">
     <ProjectCapability Include="Msix" />
   </ItemGroup>
+	
   <ItemGroup>
+    <ProjectReference Include="..\..\common\AllExperiments\AllExperiments.csproj" />
     <ProjectReference Include="..\..\common\GPOWrapper\GPOWrapper.vcxproj" />
     <ProjectReference Include="..\..\common\ManagedCommon\ManagedCommon.csproj" />
     <ProjectReference Include="..\..\common\ManagedTelemetry\Telemetry\ManagedTelemetry.csproj" />
     <ProjectReference Include="..\Settings.UI.Library\Settings.UI.Library.csproj" />
   </ItemGroup>
+	
   <ItemGroup>
     <Page Update="FlyoutWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
@@ -122,10 +129,17 @@
     <None Update="icon.ico">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
+    <Page Update="OOBE\Views\OobeOverviewPlaceholder.xaml">
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Update="OOBE\Views\OobeHosts.xaml">
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Update="OOBE\Views\OobeOverviewAlternate.xaml">
+      <XamlRuntime>$(DefaultXamlRuntime)</XamlRuntime>
+    </Page>
   </ItemGroup>
+	
   <ItemGroup>
     <Page Update="OOBE\Views\OobePowerOCR.xaml">
       <XamlRuntime>$(DefaultXamlRuntime)</XamlRuntime>

src/settings-ui/Settings.UI/Strings/en-us/Resources.resw

@@ -2830,6 +2830,10 @@ Activate by holding the key for the character you want to add an accent to, then
     <value>Launch Host File Editor</value>
     <comment>"Host File Editor" is a product name</comment>
   </data>
+  <data name="Hosts_LaunchButton_Accessible.[using:Microsoft.UI.Xaml.Automation]AutomationProperties.Name" xml:space="preserve">
+    <value>Launch Host File Editor</value>
+    <comment>"Host File Editor" is a product name</comment>
+  </data>
   <data name="Hosts_AdditionalLinesPosition.Header" xml:space="preserve">
     <value>Position of additional content</value>
   </data>
@@ -2891,6 +2895,39 @@ Activate by holding the key for the character you want to add an accent to, then
   <data name="TextExtractor_Languages.Header" xml:space="preserve">
     <value>Preferred language</value>
   </data>
+  <data name="Alternate_OOBE_AlwaysOnTop_Description.Text" xml:space="preserve">
+    <value>Pin a window so that:</value>
+  </data>
+  <data name="Alternate_OOBE_AlwaysOnTop_Title.Text" xml:space="preserve">
+    <value>Always On Top</value>
+  </data>
+  <data name="Alternate_OOBE_ColorPicker_Description.Text" xml:space="preserve">
+    <value>To pick a color:</value>
+  </data>
+  <data name="Alternate_OOBE_ColorPicker_Title.Text" xml:space="preserve">
+    <value>Color Picker</value>
+  </data>
+  <data name="Alternate_OOBE_Description.Text" xml:space="preserve">
+    <value>Here are a few shortcuts to get you started:</value>
+  </data>
+  <data name="Alternate_OOBE_FancyZones_Description.Text" xml:space="preserve">
+    <value>To open the FancyZones editor, press:</value>
+  </data>
+  <data name="Alternate_OOBE_FancyZones_Title.Text" xml:space="preserve">
+    <value>FancyZones</value>
+  </data>
+  <data name="Alternate_OOBE_Run_Description.Text" xml:space="preserve">
+    <value>Get access to your files and more:</value>
+  </data>
+  <data name="Alternate_OOBE_Run_Title.Text" xml:space="preserve">
+    <value>PowerToys Run</value>
+  </data>
+  <data name="GeneralPage_EnableExperimentation.Description" xml:space="preserve">
+    <value>Only affects Windows Insider builds</value>
+  </data>
+  <data name="GeneralPage_EnableExperimentation.Header" xml:space="preserve">
+    <value>Enable experimentation</value>
+  </data>
   <data name="AllAppsTxt.Text" xml:space="preserve">
     <value>All apps</value>
   </data>

src/settings-ui/Settings.UI/ViewModels/GeneralViewModel.cs

@@ -125,6 +125,7 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
 
             _startup = GeneralSettingsConfig.Startup;
             _autoDownloadUpdates = GeneralSettingsConfig.AutoDownloadUpdates;
+            _enableExperimentation = GeneralSettingsConfig.EnableExperimentation;
 
             _isElevated = isElevated;
             _runElevated = GeneralSettingsConfig.RunElevated;
@@ -152,6 +153,7 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
         private int _themeIndex;
 
         private bool _autoDownloadUpdates;
+        private bool _enableExperimentation;
 
         private UpdatingSettings.UpdatingState _updatingState = UpdatingSettings.UpdatingState.UpToDate;
         private string _newAvailableVersion = string.Empty;
@@ -284,6 +286,24 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
             }
         }
 
+        public bool EnableExperimentation
+        {
+            get
+            {
+                return _enableExperimentation;
+            }
+
+            set
+            {
+                if (_enableExperimentation != value)
+                {
+                    _enableExperimentation = value;
+                    GeneralSettingsConfig.EnableExperimentation = value;
+                    NotifyPropertyChanged();
+                }
+            }
+        }
+
         public static bool AutoUpdatesEnabled
         {
             get

src/settings-ui/Settings.UI/Views/GeneralPage.xaml

@@ -369,8 +369,13 @@
                             </labs:SettingsCard>
                         </labs:SettingsExpander.Items>
                     </labs:SettingsExpander>
+                    <labs:SettingsCard x:Uid="GeneralPage_EnableExperimentation"
+                                       HeaderIcon="{ui:BitmapIcon Source=/Assets/FluentIcons/FluentIconsExperimentation.png}">
+                        <ToggleSwitch
+                            x:Uid="ToggleSwitch"
+                            IsOn="{Binding Mode=TwoWay, Path=EnableExperimentation}" />
+                    </labs:SettingsCard>
                 </controls:SettingsGroup>
-
                 <InfoBar
                     x:Uid="General_SettingsBackupMessageResults"
                     Title="{Binding SettingsBackupMessage}"