Operating System : Microsoft Windows 2000 /Windows XP/ Windows Vista Processor : Intel Pentium IV at 1.5 GHz or equivalent AMD Video Card : 128 MB VRAM – DirectX compatible video card(nVidia FX 5900 / ATI Radeon X700) Memory : 512 MB RAM (2000 & XP) / 1 GB RAM (Vista) Hard Disk : 1 GB of free Hard Drive Space Sound : - Direct X : 9.0c Controls : Keyboard & Mouse