PC Windows 95, 98, 2000, NT, ME, XP. 486-66 (minimum) Pentium Class 200 Mhz or better preferred CD-ROM 4x or better 32 meg RAM (minimum) 64 meg RAM or better preferred Mouse Best viewed in 1024x768 resolution or greater. Microsoft Internet Explorer 4.0 or higher, preferred Microsoft browsers are downloadable, free of charge from their web site.