Hello, >< > 8.1 will run on an 040, but nothing higher will. I don't think >< > anything over 7.5.5, or maybe 7.6 will work on an 030. I have a Mac >< > IIx running 7.5.5 >< >< 8.1 and 040... >< >< 7.6 and 030 with 8 MB of RAM (minimum) > >and 32-bit cleanliness or MODE32. have fun Michael