If one fine day your mouse stops working and to add insult to the injury the application you want to use does not support keyboard navigation, in such a situation you are left with no choice but to make use of Micrsoft Windows built-in MouseKeys utility to control mouse pointer using your keyboard and get important work done.
To launch MouseKeys :
- Goto Start Menu -> Settings -> Control Panel.
- From Control Panel, Start “Accessibility Options“.
- Goto Mouse Tab.
- Check the “Use Mouse Keys” as shown above.