Windows
Requires a 64-bit processor and operating system
OS: Windows 7 64-bit
Processor: Intel Core2 Duo E8400 or AMD Athlon 64 X2 6000+
Memory: 2 GB RAM
Graphics: Geforce 9600 GT or AMD HD 3870 512MB
DirectX: Version 9.0
Network: Broadband Internet connection
Storage: 10 GB available space
Sound Card: Integrated