Have you played GTA V?
Have you played GTA V?
Well, if you're talking about a savegame, it's likely doable.
It's like downloading the entire game in one go with a super slow internet connection—could take years!
Avoid using Steam backups; instead, transfer all files from the GTA V directory (typically C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto V).