Now the important question is how to activate cheats in sims 3? Well, to enable cheats on sims 3 computer cheats on screamreality.com and to activate the command console, all you have to do is press CTRL + Shift + C. Once you press all these keys together, you’ll see a box on the top left of the screen; you’ll enter the cheats in the box and hit enter to activate the PC cheat.