Edit: OP corrected the link. Please support Gamer’s Nexus.

This is a re-upload by a third party. Which is perfectly acceptable, but do note it’s not back up on Gamer’s Nexus’ page.

unless you only buy no-DRM and your own backups

Going to have to plug GOG here as these are both things they offer. I try to buy games there instead of Steam, purely for this reason.