Erase Windows !!exclusive!! Guide
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)
Use a tool like Parted Magic (paid) or boot a Linux USB and run: erase windows
Once confirmed, proceed with the method above. Your Windows will be erased permanently. erase windows