Minimum: OS: Windows 7 / Vista / XP Processor: 2 GHz Intel Dual Core processor / 2.6 GHz Intel Single Core processor, or AMD equivalent (with SSE2) Memory: 1GB RAM (XP), 2GB RAM (Vista / Windows7) Graphics: 256 MB DirectX 9.0c compatible card (shader model 3) DirectX®: DirectX 9.0c Hard Drive: 32GB free hard disk space Screen Resolution: 1024x768 minimum