Don’t want your dog or cat to die of old age? You can prevent the pets in Sims 2 for PC from aging with a cheat code.
1. While in the game playing, press CTRL + Shift + C.
2. Type boolprop DisablePuppyKittenAging true and press Enter.
Use boolprop DisablePuppyKittenAging false if you want to enable aging again.