Minimum: OS: Windows XP/7 Processor: 3.0GHz Intel Pentium 4 Class or AMD Athlon 64 3500+ Processor Memory: 2 GB RAM Graphics: 256MB 3D Video Card Supporting Shaders 4.0, NVIDIA Geforce 8400, ATI Radeon 2900 DirectX: Version 9.0c Storage: 4 GB available space Sound Card: 16-bit DirectX 9.0c-Compatible Sound Card