This guide will provide you with the method to add a ghost or dead sim to your family in sims 4.
1. When any of your sim gets dead wait for their tombstone to appear then pause the game.
2. Now open the cheat box by pressing CTRL + Shift + C on your keyboard simultaneously. A white box will appear at the top left corner of the screen.
3. Then type in “testingcheats true” in this white box and press enter to enable cheats.
4. Now press and hold the shift key on your keyboard and click on the tombstone at the same time. Then select Add Ghost to Household option.