How do you send a sim to the afterlife?

To send a Sim to the afterlife in "The Sims" series, you can use various methods such as having them die from natural causes, accidents, or specific interactions. Common ways include allowing them to drown, using the "Death" interaction, or having them experience a fatal event like getting struck by lightning. Once a Sim dies, their ghost will appear, and they will be considered to have moved to the afterlife. You can also use certain cheats or items to expedite this process.