Windows</br>Requires a 64-bit processor and operating system</br>OS: Microsoft Windows 7/ 8 /8.1 (64-bit)</br>Processor: Intel Core 2 Duo, 3.0GHz or AMD Athlon 64 X2 6400+, 3.2GHz</br>Memory: 4 GB RAM</br>Graphics: nVIDIA GeForce GTX 260, 512 MB or ATI Radeon HD 5670, 512 MB (Does not support Intel Integrated Graphics Cards)</br>DirectX: Version 9.0c</br>Network: Broadband Internet connection</br>Storage: 4 GB available space</br>