kattylinas Sorry for the late reply; it looks like your post was moved to this forum after the fact, and I didn't see it until now. Please make sure your antivirus isn't blocking Sims 4. Here's a guide for a few common AVs, including Windows Defender:
https://crinrict.com/blog/2020/10/add-exceptions-to-anti-virus-programs.html
If that doesn't help, please provide a dxdiag. Click Windows key-R, enter dxdiag in the run box, wait for the scan to finish, click "Save all information," and save the file to your desktop. From there, you can attach it to a reply using the paper clip (Attachment) icon included with the other formatting buttons.