MINIMUM:
OS: Windows XP SP3
Processor: Intel(R) Core(TM)2 Duo 2.4, AMD Athlon(TM) X2 2.8 Ghz
Memory: 2 GB RAM
Graphics: Geforce 9600 GS, Radeon HD4000, Shader Model 3.0, 512 MB
Storage: 5 GB available space
Sound Card: DirectX compatible
Additional Notes: If you are on or around the min spec then you may need to run with Half Res Textures and Low graphics options and at a lower resolution.