ReadySunValley

Check if your device works with Windows 11/Sun Valley update

This app should be launched in the administrative context to reliably detect all hardware components

This app is not compatible with Windows 10 S Mode

To determine if your current PC will be able to run Windows 11, you can check out this list of system specifications on Microsoft's website, or use its PC Health Check app. Unfortunately Microsoft removed temporarily this key tool people were using to see if they could update. This is where the replacement ReadySunValley app comes in.