Minimum System Requirements

Windows
Macintosh
Windows XP (sp2) / 2000 (sp4) / Vista
Processor: Pentium III - 900 MHz
Memory (RAM): 256 Mb (Vista: 512 Mb)
Video & Sound: DirectX 9 Compatible
  DVD-ROM Drive: 4X
Hard Disk Space: Minimum Install: 40 MB
Full Install: 1.2 Gb

Mac OS X 10.3, 10.4, 10.5
Processor: G3 - 900 MHz
Memory (RAM): 256 Mb (10.5: 512 Mb)
Video & Sound: Standard Macintosh
 DVD-ROM Drive: 4X
  Hard Disk Space: Minimum Install: 40 MB
Full Install: 1.2 Gb