Err....then why the Minimum requirements:
P-II 500 Mhz or equivalent processor
64 MB RAM
16 MB Direct3D 8.0 compatible hardware accelerated video card
3 MB free hard drive space
Windows 98, ME, 2000, XP
DirectX 8.0 or higher



P.S.
http://www.3planesoft.com/pages/discovery.html
Discovery 3D Screensaver v1.0