System requirements

The official system requirements are as follows:

=Minimum System Requirements= =Recommended System Requirements= =Minimum System Requirements for High Resolution Version=
 * Processor: Intel Pentium 4 1.6 GHz or compatible (must support SSE)
 * Video Card: GeForce 2, GeForce 4 MX or Radeon VE
 * RAM: 512 MB or more
 * Disk Space: 3GB
 * DirectX: DX9c+
 * OS: Windows XP Home and Pro
 * Processor: Intel Pentium 4 2.4 GHz or compatible (must support SSE)
 * Video Card: GeForce FX 5200+ or Radeon 9800 Pro
 * RAM: 512 MB or more
 * Disk Space: 3GB
 * DirectX: DX9c+
 * OS: Windows XP Home and Pro
 * Processor: Intel Pentium 4 3.0 GHz or compatible (must support SSE)
 * Video Card: Radeon X800 or GeForce 6 6800 GT w/ 256MB video RAM
 * RAM: 1 GB or more
 * Disk Space: 5GB
 * DirectX: DX9c+
 * OS: Windows XP Home or Pro