Bill Gates once starred in a bizarre Doom promo to push Windows 95 back in 1993 — tech mogul wore a trench coat, wielded a shotgun, and shot a demon, saying 'Who do you want to execute today?'

This was a time in the mid-90s when it was estimated that more PCs had Doom installed than had Windows 95 installed.

Raccontata datomshardware.com