Windows
OS: Windows 7 / Vista / XP Processor: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher) Memory: 2GB Graphics: 512 MB NVIDIA GeForce 8400 / ATI Radeon HD 4650 or higher DirectX®: 9.0c Hard Drive: At least 1.8 GB of Space Sound: DirectX 9.0c compatible Other: Internet connection required