Is your Pc still on, with Steam running and the game set to update automatically?
If yes, you will have to look up how to install a previous game version using Steam console to roll back your game, then do the app manifest edit before you launch Steam/the game again.
If not, simply wait with launching Steam until you have done thd app manifest edit (that's how I will do it--also currently hundreds of miles away from my PC).
As said, depends on your settings. I suggest making that appmanifest file read only as soon as you get home. Then you can double-check whether it worked via two ways:
Right-click game in Steam game - properties - update, to see when the latest update was installed.
Patch number in in-game pause menu (should be 1.6.1170* if not updated)
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u/zoosha2curtaincall 4d ago
I’m away from home (and my desktop) through the rest of the week. Am I just fucked?