Minimum: OS: Windows XP/7/8 Processor: 1.5 GHz Pentium 3 / AMD Athlon Processor Memory: 512 MB RAM Graphics: 128 MB DirectX9 compatible graphics card with pixel & vertex shader support (nVidia GeForce 4, ATI Radeon 8500) Storage: 3 GB available space Sound Card: Sound Blaster compatible sound card