How to Reinstall The Sims 3 Completely??[SOLVED]

Hi , i use to play The sims 3 smooth and clean. But , after i had format my computer , i lost all my the sims 3 games in my pc. So i decided to Download again From G4TW and play (The sims 3 Base game). The problem is , after i download and install for the first time , i updated to latest version by downloading the Ultimate fix given by G4TW . After that , i forget to Drag and drop the "#Crack" folder . So , i delete all the sims 3 data.Then, i extract and install again from the file i download. But when i mount the Iso this time and run the setup , It says i already have the latest version and i cant install the previous version . I ended up by cant playing the sims 3 at the end . sorry for my bad english , pls help me =(

Thanks! I got it! I open my control panel and click "Programs" and i found the sims 3 file that is not properly delete and den i click uninstall~ den i try mount the ISO again and it works fine! THANKS G4TW!