diff --git a/src/test/sandbox/runtest_menu.bat b/src/test/sandbox/runtest_menu.bat
index fc6ad93ec..cc7bd4cf2 100644
--- a/src/test/sandbox/runtest_menu.bat
+++ b/src/test/sandbox/runtest_menu.bat
@@ -8,12 +8,12 @@ REM If we do offer the debugger, we better show the IP address too, since it see
 REM to change for each invocation of the Sandbox environment
 for /f "tokens=2 delims=[]" %%a in ('ping -n 1 -4 ""') do set IPAddr=%%a
 @if %PROCESSOR_ARCHITECTURE%=="ARM64" (
-	@if exist C:\sandbox\Debugger\ARM64\msvsmon.exe (
-		set "MsVsMonPath=C:\sandbox\Debugger\ARM64\msvsmon.exe /noauth /anyuser /nosecuritywarn"
+	@if exist C:\sandbox\assets\Debugger\ARM64\msvsmon.exe (
+		set "MsVsMonPath=C:\sandbox\assets\Debugger\ARM64\msvsmon.exe /noauth /anyuser /nosecuritywarn"
 	)
 ) else (
-	@if exist C:\sandbox\Debugger\x64\msvsmon.exe (
-		set "MsVsMonPath=C:\sandbox\Debugger\x64\msvsmon.exe /noauth /anyuser /nosecuritywarn"
+	@if exist C:\sandbox\assets\Debugger\x64\msvsmon.exe (
+		set "MsVsMonPath=C:\sandbox\assets\Debugger\x64\msvsmon.exe /noauth /anyuser /nosecuritywarn"
 	)
 )
 FOR /F "tokens=* USEBACKQ" %%F IN (`powershell -Command "[System.Net.Dns]::GetHostEntry('localhost').HostName"`) DO (
diff --git a/src/test/sandbox/setup_sandbox.bat b/src/test/sandbox/setup_sandbox.bat
index dc462324b..fac7ec4c0 100644
--- a/src/test/sandbox/setup_sandbox.bat
+++ b/src/test/sandbox/setup_sandbox.bat
@@ -1,4 +1,4 @@
-@setlocal
+@setlocal enabledelayedexpansion
 @echo off
 SET DOTNET_VERSION=8.0
 
@@ -20,19 +20,28 @@ goto MENU
 
 :EXE
 echo EXE> dotnet.cfg
+if not exist .\assets mkdir .\assets
 if %PROCESSOR_ARCHITECTURE%=="ARM64" (
-	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-arm64.exe --output ".\dotnet-sdk.exe"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-arm64.exe --output ".\assets\dotnet-sdk-64.exe"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/windowsdesktop-runtime-win-arm64.exe --output ".\assets\windowsdesktop-runtime-64.exe"
 ) else (
-	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-x64.exe --output ".\dotnet-sdk.exe"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-x64.exe --output ".\assets\dotnet-sdk-64.exe"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/windowsdesktop-runtime-win-x86.exe --output ".\assets\windowsdesktop-runtime-x86.exe"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/windowsdesktop-runtime-win-x64.exe --output ".\assets\windowsdesktop-runtime-64.exe"
 )
 goto VSDEBUG
 
 :ZIP
 echo ZIP> dotnet.cfg
+if not exist .\assets mkdir .\assets
 if %PROCESSOR_ARCHITECTURE%=="ARM64" (
-	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-arm64.zip --output ".\dotnet-sdk.zip"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-arm64.zip --output ".\assets\dotnet-sdk-64.zip"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/windowsdesktop-runtime-win-arm64.zip --output ".\assets\windowsdesktop-runtime-64.zip"
 ) else (
-	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-x64.zip --output ".\dotnet-sdk.zip"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-x64.zip --output ".\assets\dotnet-sdk-64.zip"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/windowsdesktop-runtime-win-x64.zip --output ".\assets\windowsdesktop-runtime-64.zip"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-runtime-win-x86.zip --output ".\assets\dotnet-runtime-x86.zip"
+	curl -L0 https://aka.ms/dotnet/%DOTNET_VERSION%/windowsdesktop-runtime-win-x86.zip --output ".\assets\windowsdesktop-runtime-x86.zip"
 )
 goto VSDEBUG
 
@@ -49,15 +58,15 @@ if not "!VsInstallDir!"=="" (
 	echo.
 	echo Have found VisualStudio Debugger at '%VsInstallDir%'
 	set /P "Confirm=Do you wish to copy it for use by the Sandbox? (Y / N):"
-	if "%Confirm%"=="Y" goto VSDEBUG_COPY
-	if "%Confirm%"=="y" goto VSDEBUG_COPY
+	if "!Confirm!"=="Y" goto VSDEBUG_COPY
+	if "!Confirm!"=="y" goto VSDEBUG_COPY
 	goto END
 )
 goto END
 
 :VSDEBUG_COPY
-if not exist Debugger (mkdir Debugger)
-XCOPY "%VsInstallDir%\Common7\IDE\Remote Debugger\*" ".\Debugger\" /E /Y > nul
+if not exist ".\assets\Debugger" (mkdir ".\assets\Debugger")
+XCOPY "%VsInstallDir%\Common7\IDE\Remote Debugger\*" ".\assets\Debugger\" /E /Y > nul
 echo Debugger files copied
 
 
diff --git a/src/test/sandbox/startup.bat b/src/test/sandbox/startup.bat
index 7b9b603fe..8feaddd10 100644
--- a/src/test/sandbox/startup.bat
+++ b/src/test/sandbox/startup.bat
@@ -12,44 +12,45 @@ goto ERROR_NO_CONFIG
 
 :ZIP
 mkdir "%ProgramFiles%\dotnet"
-if exist %SANDBOX_FILES%\dotnet-sdk.zip (
-	tar -oxzf "%SANDBOX_FILES%\dotnet-sdk.zip" -C "%ProgramFiles%\dotnet"
+if exist %SANDBOX_FILES%\assets\dotnet-sdk-64.zip (
+	tar -oxzf "%SANDBOX_FILES%\assets\dotnet-sdk-64.zip" -C "%ProgramFiles%\dotnet"
 ) else (
-	if %PROCESSOR_ARCHITECTURE%=="ARM64" (
-		curl -L https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-arm64.zip --output dotnet-sdk.zip
-	) else (
-		curl -L https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-x64.zip --output dotnet-sdk.zip
-	)
-	if %errorlevel% NEQ 0 (
-		echo "No pre-provided dotnet sdk, and failed to download.  Confirm networking is available."
-		goto ERROR_NO_DOTNET
-	)
-	tar -oxzf dotnet-sdk.zip -C "%ProgramFiles%\dotnet"
-	del dotnet-sdk.zip
+	goto ERROR_NO_DOTNET
+)
+if exist %SANDBOX_FILES%\assets\windowsdesktop-runtime-64.zip (
+	tar -oxzf "%SANDBOX_FILES%\assets\windowsdesktop-runtime-64.zip" -C "%ProgramFiles%\dotnet"
+) else (
+	goto ERROR_NO_DOTNET
+)
+if exist %SANDBOX_FILES%\assets\dotnet-runtime-x86.zip (
+	mkdir "%ProgramFiles(x86)%\dotnet"
+	tar -oxzf "%SANDBOX_FILES%\assets\dotnet-runtime-x86.zip" -C "%ProgramFiles(x86)%\dotnet"
+)
+if exist %SANDBOX_FILES%\assets\windowsdesktop-runtime-x86.zip (
+	tar -oxzf "%SANDBOX_FILES%\assets\windowsdesktop-runtime-x86.zip" -C "%ProgramFiles(x86)%\dotnet"
 )
 goto PROCEED
 
 :EXE
-if exist %SANDBOX_FILES%\dotnet-sdk.exe (
-	"%SANDBOX_FILES%\dotnet-sdk.exe" /install /quiet /norestart
+if exist %SANDBOX_FILES%\assets\dotnet-sdk-64.exe (
+	"%SANDBOX_FILES%\assets\dotnet-sdk-64.exe" /install /quiet /norestart
 ) else (
-	if %PROCESSOR_ARCHITECTURE%=="ARM64" (
-		curl -L https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-arm64.exe --output dotnet-sdk.exe
-	) else (
-		curl -L https://aka.ms/dotnet/%DOTNET_VERSION%/dotnet-sdk-win-x64.exe --output dotnet-sdk.exe
-	)
-	if %errorlevel% NEQ 0 (
-		echo "No pre-provided dotnet sdk, and failed to download.  Confirm networking is available."
-		goto ERROR_NO_DOTNET
-	)
-	dotnet-sdk.exe /install /quiet /norestart
+	goto ERROR_NO_DOTNET
+)
+if exist %SANDBOX_FILES%\assets\windowsdesktop-runtime-64.exe (
+	"%SANDBOX_FILES%\assets\windowsdesktop-runtime-64.exe" /install /quiet /norestart
+) else (
+	goto ERROR_NO_DOTNET
+)
+if exist %SANDBOX_FILES%\assets\windowsdesktop-runtime-x86.exe (
+	"%SANDBOX_FILES%\assets\windowsdesktop-runtime-x86.exe" /install /quiet /norestart
 )
 goto PROCEED
 
 :PROCEED
 endlocal
-SETX PATH "%PATH%;%ProgramFiles%\dotnet" /M
-SET PATH=%PATH%;%ProgramFiles%\dotnet
+SETX PATH "%PATH%;%ProgramFiles%\dotnet;%ProgramFiles(x86)%\dotnet" /M
+SET PATH=%PATH%;%ProgramFiles%\dotnet;%ProgramFiles(x86)%\dotnet
 
 dotnet nuget locals all --clear
 dotnet help
@@ -65,6 +66,6 @@ goto END
 
 
 :ERROR_NO_DOTNET
-start "ERROR" CMD /c echo ERROR: Failed to find dotnet install, and download failed. Run setup_sandbox.bat again ^& pause
+start "ERROR" CMD /c echo ERROR: Failed to find dotnet install files. Run setup_sandbox.bat again ^& pause
 
 :END