Operating system: Windows XP / Windows Vista / Windows 7 Processor: Pentium IV 1.5GHz / Athlon XP 2.2GHz Memory: 512 MB Video: 256 MB nVidia Geforce 3 Ti / 256 MB ATI Radeon 7500 Sound Card: Sound device compatible with DirectX Â 9.0 Free space on hard drive: 3 GB Keyboard Mouse"