Logitech Control Center 1.1.1 (Mac OS X v10.1.2 -10.2.6)
Mouseware 9.79 (Microsoft Windows XP, Me, 2000,98,NT 4.0 SP6)
Mouseware 9.73.1 (Microsoft Windows 95)
Mouweware M4.06 (Mac OS 8.6-9.2)
It is the buyer's responsibility to know the specs and if his/her older system will run this disc. I cannot help with incompatiblity issues or software install problems
(O19-000)