If you are playing on a Mac, follow these instructions to redeem your code on Origin and download the game from there. Once you fully install and update The Sims 4 base game, you can proceed to install the expansion pack. When prompted, enter the product code that was included with the installation discs.Insert the game disc into your disk drive and follow the on screen instructions.Hover over the game tile, or right-click the tile, then select Download.If you’ve already purchased the game, it will display as its own game tile.If prompted, log in using your Origin information.When you get new packs for The Sims 4, you can download and install your new content with the steps below. Install The Sims 4 game and packs, and check if you need to update The Sims 4 base game before installing your pack.