@nougatnafnaf
That's strange and shouldn't happen. The game should automatically create a new Sims 4 folder in Documents > Electronic Arts. Can you repair the game and try again? When you say it didn't open, did anything happen at all?
Downloading and installing the GPU driver directly from NVIDIA will help improve smooth gameplay but it isn't normal practice and is done at your own risk. Apple don't update the drivers very often which is more than irritating. I have written a guide on how to do it here if you need it.