400 MHz or Faster Intel Pentium II or 500 MHz or faster AMD Athlon Processor 64MB RAM 128MB RAM (Windows 2000) 510MB Hard Disk Space 16MB or Greater Direct3D Capable Video Card
Windows XP/ME/2000/98 Pentium III or AMD Athlon 600MHz Processor 64MB RAM 8X CD-ROM Drive 800MB Hard Disk Space 32MB Direct3D Capable NVIDIA TNT2, GeForce 256, ATI Radeon, SiS 315, Matrox G400 or Parhelia DirectX Compatible Video Card
Windows 98/ME/2000/XP 700MHz Processor 128MB RAM (256MB for 2000/XP) 8X CD-ROM Drive 1.5GB Hard Disk Space DirectX 9.0b 32MB nVidia GeForce 2 or ATi Radeon 7500 Class Video Card
Windows 2000/XP 1.3GHz Processor 256MB RAM 8X CD-ROM or DVD-ROM Drive 2.7GB Hard Disk Space 32MB ATi Radeon 7500 or nVidia GeForce2 MX Class Video Card
Windows XP/2000 SP4 1.3 GHz processor 256MB RAM 8x DVD-ROM Drive 3.3GB Hard Disk Space 64MB Video Card with DirectX Support Sound Card with DirectX Support
Windows Vista/XP/2000 1.3 GHz processor or faster (1.5 GHz for Vista) 256 MB RAM or more (512 MB for Vista) DirectX 9.0c compatible 64 MB or more video card DirectX 9.0c compatible sound card 3.2 GB Hard Disk Space
Windows XP/Vista Single-Core 2.4GHz Processor 512MB RAM 4.4GB Hard Disk Space DirectX 9.0c 128MB GeForce 6600/ATI Radeon 9800 Pro Video Card DirectX 9.0c Compatible Sound Card
CPU: 3.2 GHz single-core or 2.4 GHz dual-core 1 GB RAM for XP / 2 GB RAM for Vista Video: 256 MB Geforce 7800 or better, Ati Radeon X1800 or better, Support for Shader Model 2.0 or better, DirectX 9.0c Sound: DirectX 9.0c compatible Keyboard or Dual Analog Gamepad HDD: 4.4 GB or more
OS: XP SP3/ Vista Sp2 / Windows 7 CPU: Intel Processor Core 2 Duo E6600 2.4GHz or AMD Processor - Athlon 64 X2 Dual Core 5600+ Video: Nvidia Graphics Card - GeForce 8800 GT 256MB or ATI Graphics Card - Radeon HD 3870 RAM Memory - 2 GB Hard Disk Space - 4.5 GB