Windows
OS: Windows XP/Vista/7 (32- or 64-bit) Processor: Intel® Pentium® IV 2.4 GHz or AMD 3500+ Memory: 2 GB RAM Graphics: NVIDIA® GeForce 8800 or ATI Radeon® X1900 (Integrated Video Cards not recommended) DirectX®: DirectX 9 Hard Drive: 2 GB Available Space Sound: DirectX-compatible sound card Other Requirements: 3-button mouse, keyboard and speakers. DSL Internet connection for multiplayer