: Set the locked PC's BIOS/UEFI to boot from the external media.
or Rufus to burn the ISO image onto a blank CD/DVD or a USB flash drive (at least 1GB capacity). Configure BIOS/UEFI
If you decide to purchase (recommended for professionals):
PCUnlocker is primarily used when a user is locked out of their system and lacks a pre-made password reset disk. The Enterprise Edition