Re: After trying everything I can think of, my game is still not working.

In addition to what kreatora said, you may want to do a clean boot. Steps shown below:

https://support.microsoft.com/en-za/help/929135/how-to-perform-a-clean-boot-in-windows

The PC specs indeed seem good enough, however some of the programs might actually interfere with the game, which is best to start your computer without any unnecessary processes. Then, open Origin and Sims and see how it works. 

We'll be waiting for your reply :3. Hopefully with good news.