Open sims 3 game launcher and double-click on the download item and it should download onto your game. When it has finished downloading, go onto MY DOCUMENTS, ELECTRONIC ARTS, THE SIMS 3, MODS, PACKAGES and then create a folder (hair etc.) 4. All downloads are available for free and registration is not required. The Sims Resource (often referred to as simply TSR) is a Sims custom content (also known as “cc”) site offering custom content for all Sims games which can be downloaded with the intent to alter and/or expand the games.