While the torrented versions "work" in terms of launching, users often report several common technical issues: Launchers vs. Executables
When users search for a "working" torrent, they are primarily looking for a version of the game where the DRM—typically —has been bypassed. Uncharted: Legacy of Thieves Collection (which includes A Thief's End uncharted 4 a thiefs end torrent work
Find a friend who owns the game. Add them on Steam, log into their account on your PC, download the game, then switch back to your account. As long as they aren't playing, you can play for free. While the torrented versions "work" in terms of