You will need to download the latest version of Minecraft from its official site, install it on your system again and see the results. If you have downloaded Minecraft from the Windows Store, you will need to delete the app and download it from its official website.
Sometimes running the Windows Built-in Windows Store troubleshooter might help you to get rid of the Minecraft Not Installing issue on Windows 11.
If you are not allowed to install Minecraft on your system, you should check that all the drivers on your system are running with the latest version. When you’re done, open Minecraft and try again to install it on your system and see improvements. If you cannot install Minecraft on your Windows 11, then we recommend that you need to restart your system.