For that, you'll have a much easier time using third-party utilities instead. 3 Registry Hacks I Always Use On a Fresh Windows 11 Install ...

After booting from the Windows 11 install media you created: Press Shift + F10 to open a Command Prompt window Type "regedit" and press Enter to open the Registry Editor Navigate to HKEY_LOCAL ...

To fix The system administrator has set policies to prevent this installation you will have to edit Group Policy or Registry settings as mentioned here.