OS: Windows Vista or Windows 7 Processor: Core 2 Duo 2.4 GHz or Althon X2 2.7 GHz RAM: 2GB Graphic card: DirectX 10 ATI Radeon 3870 or higher, Nvidia GeForce 8800 GT or higher Graphics card memory: 512 MB Sound card: DirectX compatibl sound card Hard drive: 15 GB