The Sims 3 Free Download Complete Pack (ALL DLC's) The Sims 3 Free Download is the third installment in the popular The Sims series of life simulation games. The game develops by Maxis and published by Electronic Arts. It was released on June 2, 2009, for Microsoft Windows, and a year later for OS X (June 22, 2010).The Sims 3 is the first major title in the series since 2004's. In addition,