diff --git a/tools/HandlesExperiment/FileLocksmithGUI/MainWindow.xaml.cpp b/tools/HandlesExperiment/FileLocksmithGUI/MainWindow.xaml.cpp
index e908b6225b..1e0ba2784f 100644
--- a/tools/HandlesExperiment/FileLocksmithGUI/MainWindow.xaml.cpp
+++ b/tools/HandlesExperiment/FileLocksmithGUI/MainWindow.xaml.cpp
@@ -7,7 +7,10 @@
 #include "../FileLocksmithLib/IPC.h"
 #include "../FileLocksmithLib/FileLocksmith.h"
 
+#pragma comment(lib, "shcore") // GetDpiForMonitor
+
 using namespace winrt;
+using namespace Microsoft::UI;
 using namespace Microsoft::UI::Xaml;
 
 // To learn more about WinUI, the WinUI project structure,
@@ -17,6 +20,7 @@ namespace winrt::FileLocksmithGUI::implementation
 {
     MainWindow::MainWindow()
     {
+        place_and_resize();
         InitializeComponent();
         find_processes();
     }
@@ -34,4 +38,47 @@ namespace winrt::FileLocksmithGUI::implementation
             stackPanel().Children().Append(entry);
         }
     }
+
+    void MainWindow::place_and_resize()
+    {
+        // Get native handle
+        auto windowNative{ this->try_as<::IWindowNative>() };
+        winrt::check_bool(windowNative);
+        HWND hwnd{ 0 };
+        windowNative->get_WindowHandle(&hwnd);
+
+        // Get mouse cursor position
+        POINT cursorPosition{0, 0};
+        GetCursorPos(&cursorPosition);
+        ::Windows::Graphics::PointInt32 point{ cursorPosition.x, cursorPosition.y };
+
+        // Get monitor area for mouse position
+        auto display_area = Windowing::DisplayArea::GetFromPoint(point, Windowing::DisplayAreaFallback::Nearest);
+        HMONITOR monitor = MonitorFromPoint(cursorPosition, MONITOR_DEFAULTTOPRIMARY);
+        MONITORINFOEXW monitor_info;
+        monitor_info.cbSize = sizeof(MONITORINFOEX);
+        GetMonitorInfoW(monitor, &monitor_info);
+        UINT dpi_x, dpi_y;
+        GetDpiForMonitor(monitor, MONITOR_DPI_TYPE::MDT_EFFECTIVE_DPI, &dpi_x, &dpi_y);
+        UINT window_dpi = GetDpiForWindow(hwnd);
+
+        int width = 720;
+        int height = 405;
+
+        winrt::Windows::Graphics::RectInt32 rect;
+
+        // Scale window size
+        rect.Width = (int32_t)(width * (float)window_dpi / dpi_x);
+        rect.Height = (int32_t)(height * (float)window_dpi / dpi_y);
+
+        // Center to screen
+        rect.X = display_area.WorkArea().X + display_area.WorkArea().Width / 2 - width / 2;
+        rect.Y = display_area.WorkArea().Y + display_area.WorkArea().Height / 2 - height / 2;
+
+        // Get app window
+        auto window_id = GetWindowIdFromWindow(hwnd);
+        auto app_window = Windowing::AppWindow::GetFromWindowId(window_id);
+        
+        app_window.MoveAndResize(rect);
+    }
 }
diff --git a/tools/HandlesExperiment/FileLocksmithGUI/MainWindow.xaml.h b/tools/HandlesExperiment/FileLocksmithGUI/MainWindow.xaml.h
index 90a4273715..a4329f4d16 100644
--- a/tools/HandlesExperiment/FileLocksmithGUI/MainWindow.xaml.h
+++ b/tools/HandlesExperiment/FileLocksmithGUI/MainWindow.xaml.h
@@ -12,6 +12,7 @@ namespace winrt::FileLocksmithGUI::implementation
     private:
         std::vector<ProcessResult> m_process_info;
         void find_processes();
+        void place_and_resize();
     };
 }
 
diff --git a/tools/HandlesExperiment/FileLocksmithGUI/pch.h b/tools/HandlesExperiment/FileLocksmithGUI/pch.h
index 2f32fca8c6..60c8a485c3 100644
--- a/tools/HandlesExperiment/FileLocksmithGUI/pch.h
+++ b/tools/HandlesExperiment/FileLocksmithGUI/pch.h
@@ -3,6 +3,7 @@
 #include <unknwn.h>
 #include <restrictederrorinfo.h>
 #include <hstring.h>
+#include <ShellScalingApi.h>
 
 // Undefine GetCurrentTime macro to prevent
 // conflict with Storyboard::GetCurrentTime
@@ -12,6 +13,7 @@
 #include <winrt/Windows.Foundation.Collections.h>
 #include <winrt/Windows.ApplicationModel.Activation.h>
 #include <winrt/Microsoft.UI.Composition.h>
+#include <winrt/Microsoft.UI.Interop.h>
 #include <winrt/Microsoft.UI.Xaml.h>
 #include <winrt/Microsoft.UI.Xaml.Controls.h>
 #include <winrt/Microsoft.UI.Xaml.Controls.Primitives.h>
@@ -22,4 +24,6 @@
 #include <winrt/Microsoft.UI.Xaml.Navigation.h>
 #include <winrt/Microsoft.UI.Xaml.Shapes.h>
 #include <winrt/Microsoft.UI.Dispatching.h>
-#include <wil/cppwinrt_helpers.h>
\ No newline at end of file
+#include <winrt/Microsoft.UI.Windowing.h>
+#include <wil/cppwinrt_helpers.h>
+#include <microsoft.ui.xaml.window.h>