You still can download the installers/archives from GOG and Itch.io, despite them being non-physical only (that is, you are the one copying the files on the external drives/cloud). It does not work for many larger publishers, but since I am not interested in most of them (EA and MS/Obsidian+inXile being the exceptions), it bothers me less (the general idea of the preservation of our culture aside). Funnily enough, the latest Larian's game is DRM-free on Steam, so having the older versions is possible as long as you have the space to back it up (~130GB total, ~90GB of textures; the bloat and the inability to remove it, while keeping the game-critical parts, annoy me greatly) and it also prevents the forced updates on Steam (granted, that's Steam's issue, not Larian's fault for releasing an unfinished game, while removing the Early Access tag).
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On a related note, I've got a GamePass key and would be happy to give it to someone who uses it.
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https://www.rockpapershotgun.com/if-you-want-to-play-that-whopping-fallout-london-mod-youll-need-to-downgrade-fallout-4s-next-gen-version
Not sure if I am going to play Fallout: London, but I do have the pre-next-gen version of Fallout 4, so I can. Though, the downgrader will be included with the mod, so even the less fortunate Steam players can do so with little friction.
Also, this makes me quite happy that Obsidian very reasonably and player-friendly made the More Space-Consuming edition of The Outer Worlds optional and safely separated from the original game as a different product.