If you own a pack and it hasn’t automatically installed, click the Download icon.Click Add-ons to see which packs you currently own.Open your Library and click on The Sims 4.If prompted, log in using your EA Account information.For help with this, read our guide to installing The Sims 4 Base Game.ĭigital packs should install automatically after buying them, but if they don't here's how to manually install them. Need some help with your pack install? Follow our guide below.īefore installing any additional content for The Sims 4, first you need to make sure the Base Game is fully installed and updated.