Then he saved the ISO to the controller’s internal drive. Three copies. One on the D: drive, one on a hidden partition, and one burned to a DVD-R that he labeled with a Sharpie: DO NOT LOSE. EVER.
The controller saw the drive.
He plugged in the USB. The BIOS screen flickered. He mashed F12. windows 7 iso 64bit
He closed the fire safe. Spun the lock.