Erase Windows - |best|

Once confirmed, proceed with the method above. Your Windows will be erased permanently.

sudo hdparm --user-master u --security-set-pass p /dev/sda sudo hdparm --user-master u --security-erase p /dev/sda (Replace /dev/sda with your drive) erase windows

Use a tool like Parted Magic (paid) or boot a Linux USB and run: Once confirmed, proceed with the method above