Minimum: OS: Windows XP / 7 / 8 / 8.1 Processor: Intel Core 2 Duo E6600 or AMD Phenom X3 8750 processor or better Memory: 1GB XP / 2GB Vista Hard Disk Space: At least 10GB of Space Video Card: Video card must be 256 MB or more and should be a DirectX 9-compatible with support for Pixel Shader 3.0