Requires a Steam account
Minimum:
OS: Windows XP SP3, Windows Vista/7/8
Processor: Intel Core 2 Duo @ 2Ghz / AMD Athlon 64 X2 equivalent
Memory: 2 GB RAM
Graphics: NVIDIA GeForce 9600GT / ATI Radeon HD 3830, 256 MB VRAM, Shader Model 3 Support
DirectX®: 9.0c
Hard Drive: 5 GB HD space
Sound: DirectX Compatible
Additional: Initial installation requires one-time internet connection for Steam authentication
Software installations required (included with the game): STEAM Client, Microsoft DirectX, Visual C++ 2008 Redistributable, Visual C++ 2005 SP1 Redistributable
Recommended:
OS: Windows 7/8
Processor: 2.6 GHz Quad Core processor
Memory: 4 GB RAM
Graphics: NVIDIA GeForce GTX 460 / ATI Radeon HD 5850, 1 GB VRAM, Shader Model 3 Support
DirectX®: 9.0c
Hard Drive: 5 GB HD space
Sound: DirectX Compatible
Additional: Initial installation requires one-time internet connection for Steam authentication
Software installations required (included with the game): STEAM Client, Microsoft DirectX, Visual C++ 2008 Redistributable, Visual C++ 2005 SP1 Redistributable