Windows</br>OS: Windows XP/Vista/7 (32- or 64-bit)</br>Processor: Intel® Pentium® IV 2.4 GHz or AMD 3500+</br>Memory: 2 GB RAM</br>Hard Disk Space: 2 GB Available Space</br>Video Card: NVIDIA® GeForce 8800 or ATI Radeon® X1900 (Integrated Video Cards not recommended)</br>DirectX®: DirectX 9</br>Sound: DirectX-compatible sound card</br>Additional: 3-button mouse, keyboard and speakers. DSL Internet connection for multiplayer. .NET 3.5 required</br>