Again, the location of The Sims 3 documents folder is Documents > Electronic Arts > The Sims 3. Select The Sims 3 documents folder when asked where to extract the contents of the zip file to. You need a program such as Winzip, WinRAR, or the free alternative 7-zip to Extract the contents of a zip file. Extract the contents of the Zip file to The Sims 3 documents folder.