Old versions of Logitech drivers:
MouseWare
9.80 - https://trackballs.eu/media/Logitech/so ... 980enu.exe
SetPoint
4.80 x86 - https://trackballs.eu/media/Logitech/so ... int480.exe
4.80 x64 - https://trackballs.eu/media/Logitech/so ... 80_x64.exe
6.67 x86 - https://trackballs.eu/media/Logitech/so ... .83_32.exe
6.67 x64 - https://trackballs.eu/media/Logitech/so ... .83_64.exe
Excellent uberOptions patch to enable full customization of SetPoint v4.80:
https://trackballs.eu/media/Logitech/so ... 4.80.5.exe
Unifying software (manage modern wireless device pairing):
https://trackballs.eu/media/Logitech/so ... ing250.exe
Unifying security fix:
https://trackballs.eu/media/Logitech/so ... DFU_48.exe
Connect software (manage older wireless device pairing):
https://trackballs.eu/media/Logitech/so ... 2.30.9.exe