Shift-click on the Sim you’d like to change the needs for and select Cheat Need then Make Happy to improve their mood.To shift-click on consoles, press X+O (PS4) or A+B (XBO) at the same time. One of the most important Sims 4 cheat codes to enter is testingcheats true, which enables additional cheats and allows you to shift-click on Sims, items etc to reveal further cheat options.