If you don't already have Options installed, you can download it from www.logitech.com/options.
- Launch Logitech Options:
Click Start > Programs > Logitech > Logitech Options
- Click the device you want to customize on the Logitech Options welcome screen.
- Click the framed key or the circled mouse button you want to customize.
NOTE: If a key or button is not framed or circled here, it isn't programmable.
- Choose the function you want to assign to the selected key or button from the drop-down list. The new function assigned is highlighted in green.