Then you’ll drag your custom create a sim background into your mods folder and launch your game.īe sure to only have one CAS background installed at a time so the game doesn’t get confused about which one you want and also ensure that mods are enabled in your game settings. It’s like taking a trip down memory lane, but with all the upgraded, sleek art style of The Sims 4. Your mods folder can be found by going to documents > electronic arts > sims 4 > mods and this is where you’ll put any cc and mods you want. Get ready to step back in time, Simmers This retro-inspired CAS background from creator littledica is a throwback to the old school Sims of The Sims 3, but with a modern twist. What you need to do is head to any of the links listed below and download the file and once downloaded open up your downloads folder in one window and your mods folder in the other. Installing sims 4 CAS backgrounds is actually extremely easy and works just like installing any other piece of regular custom content. Final Thoughts on Sims 4 CAS Backgrounds.