Minimum:
CPU: Core 2 Duo 2.4 GHz or Althon X2 2.7 GHz
CPU Speed: Info
RAM: 2 GB
OS: Windows Vista Service Pack 2
Video Card: DirectX 10 or 11 compatible Nvidia or AMD ATI card, ATI Radeon 3870 or higher, Nvidia GeForce 8800 GT or higher
Sound Card: Yes
Free Disk Space: 15 GB

Recommended:
CPU: Quad-core Intel or AMD CPU
CPU Speed: Info
RAM: 4 GB
OS: Windows 7
Video Card: DirectX 11 Nvidia or AMD ATI card, Nvidia GeForce GTX 560 or ATI Radeon 6950
Sound Card: Yes
Free Disk Space: 15 GB