WhyNotWin11 is a detection script to help identify why your PC isn’t Windows 11 compatible. A detailed alternative to the Microsoft PC Health Check Windows 11 app. Since the script is unsigned, Windows 10 makes it very hard to download and run the script. Once the script is running, you can see at a glance what area of your PC isn’t Windows 11 ready. In this short video, I’ll go through the steps of downloading and running the script.