When I first bought it in 2019 it was fine. Today though (07/21/2021) I decided to check on updates despite the fact I don't play online but was curious about it so I went online and updated the game. And now literally the campaign, multiplayer and Spec-ops don't work because of an error the update caused and I don't really know how to fix it.
Update: I got it to work. The whole thing is like 170 GB. Not worth the space in my opinion.