minimal:
reqprocessor: 2.4 GHz Dual Core Processor
reqgraphics: NVIDIA GeForce 8600 /ATI Radeon HD 2600
reqmemory: 2 GB RAM
reqdiskspace: 2 GB available space
reqsystem: Windows XP SP3
reqother: Initial installation requires one-time internet connection for Steam authentication; software installations required (included with the game) include Steam Client, DirectX 9, Microsoft .NET 4 Framework, Visual C++ Redistributable 2010, and AMD CPU Drivers (XP Only/AMD Only)