Pentium® 4 2.0GHz or Athlon® 2.0GHz or higher processor 256MB of RAM (1GB for Windows® Vista) Microsoft® Windows® XP/Vista 100% DirectX® 9.0c-100% DirectX® 9.0c-compliant 64MB video card and drivers (NVIDIA® GeForce® 4 Ti 4200 + / ATI® Radeon® 8500 +) 4 GB of uncompressed hard disk space (plus 300 MB for the Windows® swap file and 1MB free for saved games) http://www.megaupload.com/?d=9BZ1WL88