Back in 2020, YouTuber and Portal speedrunner nicl83 uploaded a video detailing a curious discovery: the version of Steam included on retail DVDs of Half-Life 2 can still be recognized by Valve’s servers and updated to the modern client we use today.
Now, there are naturally some caveats here. There’s really no practical reason to do this—updating the client will effectively wipe the archival, time capsule version of Steam you just installed, and it is so much quicker and easier to get Steam off the official website.
The process is also, naturally, a huge pain. Nicl83 starts in Windows XP, which they describe as providing the “best results” with initially installing Steam from the Half-Life 2 DVD. From there, a halting, almost arcane series of restarts and faile…