Minimum: OS: Windowx 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 3.0 (NVIDIA Geforce 8400 or Higher, ATI Radeon 2900 or Higher) Storage: 4 GB available space Sound Card: 16-bit DirectX 9.0c-Compatible Sound Card