Re: Sims 4 causing overheating?

@Trippie25  Since the issue isn't your SSD, I don't think playing in offline mode will make a difference, although there's no harm in testing.  The CPU temperatures alone would definitely account for the heat you've noticed.  More importantly, those temps are far too high.  A processor shouldn't be allowed to run that hot, especially not if it's happening so soon into a game session.  It also shouldn't idle at 53º; I'd expect something only a few degrees above room temperature.

Please clean your CPU fan specifically, as it can get clogged with dust as well.  (I think hwinfo has a reading for the CPU fan speed, but that may depend on your motherboard.  It's worth checking at any rate.)  If you happen to have a liquid cooler, then there's a different conversation, but again hwinfo may provide some relevant data.  If the fan itself isn't the issue, you may need to reapply thermal paste—it can easily dry out after a few years, especially if you kept the original factory-applied stuff.