Install Windows 11
Boot from USB
Insert the Windows 11 USB flash drive. Make sure both monitors are "on". Start the PC. In this case (HP Z4 PC), press F9 once at the "HP splash screen" and wait. Specifics vary from computer to computer. Consult your hardware manual.
Time and currency format
Dutch (Belgium). Keyboard or input method: “Belgian (Period).
Notice, you also have a "repair" option here... Choose "Install now".
The presence or absence of the "Windows activation" screen during the installation of Windows 11 22H2 can depend on various factors. If you get this screen, choose "I don't have a product key". If not, proceed to the next step.
Select OS (depends)
The presence or absence of the "Select the operating system you want to install" screen during the installation of "Windows 11 22H2" can depend on various factors. If you get this screen, choose "Windows 11 Pro". If not, proceed to the next step.
Type of installation
Select “Custom: Install Windows only (advanced)".
Installation location & partitioning
If you were able to do a secure erase in BIOS/UEFI, there are no partitions. If not, delete all partitions.
Make sure "Num Lock" is activated on your keyboard. Check the LED if possible. Select "New" and create a partition of 60 GB (61440 MB) and click "apply".
Read and comprehend the concept "Microsoft account". We do not want such an account for now. Previous versions allowed for a "local/offline account", via "Sign-in options". Starting of Windows 11 22H2, it does not work anymore. Use this trick: select "Sign in".