Stuck on second loading screen sims 3

HeyITOG22​  If you haven't already installed an older OS, you could first try raising the graphics settings one or two at a time to see whether you can pinpoint the issue.  It might be Advanced Rendering and nothing else; the next suspects, based on other players' experiences on Intel iGPUs, would be Lighting and Tree Detail.  If you're not satisfied with the settings you need to use to keep the game stable, that would be the point to switch OSs.