Windows</br>OS: Windows XP, Windows Vista, Windows 7 (all 32/64 bit)</br>Processor: Intel Pentium Core 2 Duo E4400 @ 2.0 Ghz, AMD Athlon X2 5000+ @ 2.6 Ghz</br>Memory: 1 GB for Windows XP and 1.5GB for Vista / Windows 7</br>Graphics: 512 MB, DirectX 9.0c</br>DirectX®: 9.0c</br>Hard Drive: 8 GB</br>Sound: DirectX 9.0c compatible</br>Supported Video Cards at Release Time:</br>NVIDIA GeForce® 8600 or higher</br>NVIDIA GeForce™ 9 Series</br>NVIDIA GeForce™ 200 Series</br>NVIDIA GeForce™ 400 Series</br>NVIDIA GeForce™ 500 Series</br>ATI® RADEON® HD 2600 or higher</br>ATI® RADEON® HD 3000 Series</br>ATI® RADEON® HD 4000 Series</br>ATI® RADEON® HD 5000 Series</br>ATI® RADEON® HD 6000 Series</br> Laptop versions of these cards may work but are NOT supported. These chipsets are the only ones that will run this game.       </br>