Try downloading and running RetroForth/Windows 7.5.0 (prerelease, but stable on all my test systems): http://www.retroforth.org/rf-standalone.exe Let me know if this works. Again, any error information will be helpful. >no service packs for windows before 2000 > > Ahh, my mistake. I tend to use the Windows NT/2000/XP so I'm not as familar with the way the 9x line was distributed. -- Charles