The game was released a few years later with the release of the ongoing Sims 4. It is the third part of the computer game series The Sims and the sequel to The Sims 2. The Sims 3 is a life simulation of the developer studio The Sims Studio. The Sims 3 Free Download includes all the game’s expansions and DLCs. Download The Sims 3 for free on PC – this page will show you how to download and install the full version of The Sims 3 for free on your PC.