It has a 14 day trial so you can at least try it out to see if it would serve your purpose and work with your Sims games acceptably or not (some games work better than others, but I've managed to get Rocket League running on my M1 Mini through it). There's a video guide to set up Crossover below if you wish to try it. There's no guarantees they'll run well though. You could also try using Crossover (or maybe free alternatives like WineskinServer, or PlayOnMac on an Intel Mac) to install Steam in a Wine Bottle and then try The Sims games in that. If your MacBook Pro is an Intel model then using Bootcamp to install Windows is likely to be your best option to run them through Steam.

According to the applegamingwiki, they work OK via Rosetta on M1 Macs if your MacBook Pro is an Apple Silicon one. How to install IPA files with Cydia Impactor Step 4 Go to Settings. That's a shame given you've bought them already at some point on Steam. Once its done, go to General > Device Management. If you're really keen to play The Sims and don't mind paying for them again then Sims 3 & 4 are both available for Mac via EA's Origin store.

How to play sims 4 on mac m1