OR You can also open iso with software called “UltraISO”.Other parts will be automatically extracted. Right-click on the 1st part and click on “Extract here”.Download all parts from the download links given below.FREE DISK SPACE: 9 GB of uncompressed hard disk space (plus 400 MB for the Windows(R) swap file and 12 KB free for saved games).VIDEO CARD: 3D hardware accelerator card required – 100% DirectX(R) 9.0c-compliant 256 MB video card and drivers.OS: Microsoft(R) Windows(R) XP / Windows Vista(R) / Windows(R) 7.