Thank you! This guide consists of 4 parts: 1] Installing the base game 2] Converting expansion packs into. This guide is still in “beta”, so if you run into any problems or have any questions using this guide, please post them on our Forum: or send an e-mail to Game, so we can update the guide. All expansions are installed pretty much the same way. Well, here’s the guide on how to do just that! In this guide we’ll show you how to install The Sims 3 base game and the expansions on a Mac. Free The Sims 3 Mac Installation Guide By Dieneryn and Games4theworld Downloads - A initiative The Sims 3 is a very popular ® Games4theworld download and we got a lot of requests from people who wanted to install the game on a Mac, but didn’t know how.