Press the Shift button and then click on the Sim you want to reset.
Type testingcheats true and click Enter.The resetSim * cheat command may not be able to reset all Sims and you may receive a “Sim not found” error.
If you need to reset all of the Sims in your current game, you can type resetSim *. For example: If you want to reset Gobias Koffi, type: resetSim Gobias Koffi, and press Enter. Make sure you enter the name of the Sim you want to reset. Type resetSim Firstname Lastname and click Enter. You may want or need to reset your Sims if they become stuck or unresponsive. There are two ways you can reset your Sim. For either, open the cheat window by pressing CTRL + Shift + C. Hold all these keys at the same time to open the window. Sometimes your Sims get stuck in The Sims 4, but you can reset them with the “resetSim” command in the cheat window.
