4-Disable CSM, & Enable "RAID" in BIOS.
Advanced > Integrated peripherals (or) Storage Configuration
SATA Mode > "RAID" / NVME Mode > "RAID" Exit bios & save, then get back into it again.
5- Follow:https://streamable.com/9o2zci(Install windows PRO version)
Make an offline account, do not login to any account. Don't login to OneDrive either.