Battlefield 3 not launching 2020

I Recently bought BF3 Premium on steam and the game played fine for 1 and a half days and I have been trying to Fix it for 2-3 days, and I contacted EA support multiple times and there would always be a new problem, the error I get when trying to launch Campaign/Multiplayer the game would try to launch from Origin and I would get and error saying "To play Unidentified Game" and it would ask me to enter a key (Yes I'm using the same account) I tried almost everything (clearing cache, repairing game, reinstalling game, reinstalling Origin, etc) The problem started when I just got done with a multiplayer game, and wanted to join another server and I tried joining and It would say I needed a certain DLC for it (Which I have most if not all DLCs) and I contacted EA HELP and they added the DLC to my account and reinstalled the DLC and I'm sure that's when the game wouldn't launch, not even the campaign (Which I found a workaround to play the campaign only, go to Game Properties, and from there go to Advance Launch Options, and on the Command Line write anything, I wrote x64 for no reason and when you launched the game from origin It would launch the campaign) If anyone could help me fix the problem I would really appreciate the help!