If Windows Update says your computer doesn't meet the Windows 11 requirements, you might just need to tweak some settings.

Windows 11 auto-updates DirectX via Windows Update—you're likely already on the latest version. To force an update, open Windows Update in the Windows 11 Settings app and click "Check for Updates." ...

Much of the time, opening the Command Prompt as a regular user is all you need. Sometimes, though, you'll need to open the Command Prompt as an administrator so that you can run commands that require ...