Follow this brief guide to turning your human sim into a vampire using a cheat in sims 4.
1. The first thing you will need to do is press the CTRL+Shift+C simultaneously on your keyboard to open the cheat box. A white box will appear at the top left corner.
2. Type in “testingcheats true” and hit enter on your keyboard to enable cheats.
3. After that, type in “traits.equip_trait trait_OccultVampire” and hit Enter on your keyboard to execute the cheat. Your sim will become a vampire after it. The main energy bar will turn purple and when you click on the sim, you will get to see the Vampire option as well.