The following specs has been tested to run OK:

3D graphics Off:
• Headphones are strongly recommended
• Intel Pentium II 350 MHz or better
• 128 MB RAM or more (lower RAM may work but is untested)
• 32 bit colors (16 bit also works but doesn't look as good)
• Creative SoundBlaster Live! or equivalent
• Windows 98 SE, 2000, XP .

3D graphics On:
• nVidia TNT2 or better with 32 MB VRAM

The game should run well on most configurations that are equivalent or better. You may also be able to run it on lower specifications. Please also note that there are other things that can affect your system performance in general, such as adware and other processes running in the background. Tweak your system as much as possible to get the best game performance