Minimal system requirements
• Operating system: Windows XP SP3, Windows Vista SP2, Windows 7
• CPU: Dual-core CPU with 2.4 GHz (Intel core 2 Duo or Athlon X2)
• RAM: 2 GiByte
• Graphics card: Shader model 3 with 256 MiByte VRAM (Radeon HD 2900 or Geforce 8800)
--------->>• HDD: 24 GByte + 1 GByte swap file<<----------

Recommended system requirements
• CPU: Intel core 2 Duo 2.8 GHz or AMD Athlon X2 5200+
• Graphics card: Radeon HD 4870 or Geforce 9800 GT

Supported graphics cards
• Ati Radeon HD 2900, 3850, 3870, 4850, 4870
• Nvidia Geforce 8800, 9600, 9800, 260, 280

*HINT: dont buy nvidia.