Minimum System Requirements: CPU: Intel Pentium 4 2.4GHz or AMD Athlon 64 2800+ RAM: 1 GB VGA: Nvidia GeForce FX 5900XT or AMD Radeon X1300 256MB OS: Windows XP DX: DirectX 9 Hard drive: 8 GB free space Recommended System Requirements: CPU: Intel Core 2 Duo E4600 2.4GHz or AMD Athlon 64 X2 Dual Core 5200+ RAM: 2 GB VGA: Nvidia GeForce 9800 GT or AMD Radeon HD 2900 XT 512MB OS: Windows XP DX: DirectX 10 Hard drive: 8 GB free space