• Operating system Microsoft Windows XP SP3 / Vista SP1 • Processor Pentium 4 2.0 GHz or equivalent Athlon 64 (Pentium 4 2.4 GHz or equivalent Athlon 64 for Windows Vista) • 512 MB RAM (1 GB for Windows Vista) • 3 GB of free hard disk space • 3D-graphics adapter with 128 MB memory, compatible with DirectX 9.0s and supports pixel shaders 3.0 (nVidia GeForce 6600 or ATI Radeon X1300; integrated chipset video adapters are not supported) • 16-bit sound device compatible with DirectX • DirectX 9.0c • The device for reading DVD-ROM drive