OS: Windows 7/Vista/XP Processor: Intel Pentium Dual-Core T4200 (2×2.0GHz) or AMD equivalent Memory: 2GB RAM (XP)/3GB RAM (Windows 7 / Vista) Graphics: NVIDIA GeForce 8800 (512MB) / ATI Radeon HD 2900 (512MB) DirectX®: Hard Drive: 11 GB free hard drive space