Re: Sims 4 using my login. Can other users on the same pc play the game?
@Superman5433 To play Sims 4, a person has to be logged into an Origin account that owns the game; having it installed on the computer isn't enough. So say that you and a sibling each had a separate Origin account, and both accounts owned Sims 4. You could download the game once, and each of you could login to your own account and play on that one computer. But if your sibling's Origin account didn't own Sims 4, they couldn't play.
This also goes for any packs that are installed: if the Origin account doesn't own them, the packs won't load in-game. That's true regardless of whether the packs are installed on the computer.