System requirements:

Minimum:
OS: Windows XP / Vista;
Intel Pentium IV processor with a frequency of 3.2 GHz;
RAM: 1 GB;
Video of nVidia GF 6600 or ATI Radeon X800;
3.5 GB free hard disk space;
Sound card compatible with DirectX 9.0;
DirectX 9.0c;
The device for reading DVD;
Keyboard;
Mouse.

Recommended:
OS: Windows XP / Vista;
Processor Intel Core 2 Duo processor with a frequency of 3.0 GHz or AMD Athlon64 X2 with a frequency of 2.5 GHz;
RAM: 2 GB;
Video of nVidia GF 8800 or ATI Radeon HD 3850;
3.5 GB free hard disk space;
Sound Card: SoundBlaster Audidgy 2;
DirectX 9.0c;
The device for reading DVD;
Keyboard;
Mouse.
Not guaranteed to work on laptops.