System requirements

Minimum:

    OS: (32-bit) Windows Vista, Windows 7, Windows 8
    CPU: Intel Core Duo, 2.4 GHz / AMD Athlon X2, 2.8 GHz
    RAM: 2 GB
    Video: NVIDIA GeForce 8800 GTS / AMD Radeon 3850
    DirectX: DX 10
    Windows XP и DirectX 9.0c are not supported

Recommended:

    OS: (64-bit) Windows Vista, Windows 7, Windows 8
    CPU: Intel Core i5 750, 2.67 GHz / AMD Phenom II X4 965, 3.4 GHz
    RAM: 4 GB
    Video: NVIDIA GeForce GTX 560 / AMD Radeon HD 6950
    DirectX: DX 11

Thanks for link Silver Dragon