Press Ctrl + Shift + C Type the Cheat/Command into the text box that appears, and then hit ENTER.

Effect	Code
All homes are temporarily free while the cheat is active. Enter cheat in the Neighborhood screen. If purchased, beware of the Taxes in these lots	freerealestate on/off
Displays available commands	help
Enable/Disable cheats	testingcheats on/off
Exits the game	quit
Hides all Sim overhead effects such as plumbob, thought balloons and speech balloons	hideheadlineeffects [on/off]
Provides 1,000 Simoleons	kaching/rosebud
Provides 50,000 Simoleons	motherlode
Reset your sim. Ex. resetsim Bob Smith	resetsim (sims first name) (sims lastname)
Toggles fullscreen	fullscreen
Turns the frame rate display in the bottom left corner	fps [on/off]