Minimum:
OS: Windows XP, Windows Vista, Windows 7 or Windows 8
Processor: 2 GHz dual core
Memory: 2 GB RAM
Graphics: NVIDIA GeForce 8000 series or ATI Radeon HD 2000 series or better
DirectX: Version 9.0c
Hard Drive: 17 GB available space
Sound Card: 100% DirectX 9.0c compatible sound device

Recommended:
OS: Windows 7 or Windows 8
Processor: AMD Phenom II X4 or Intel Core 2 Quad or better
Memory: 2 GB RAM
Graphics: AMD Radeon HD 5850
DirectX: Version 9.0c
Hard Drive: 17 GB available space
Sound Card: 100% DirectX 9.0c compatible sound device