Multimedia keyboards, i.It is not uncommon nowadays to find keyboards that have additional functions keyboard with additional function keys are not uncommon nowadays. The additional keys cannot be used without special software. That's what programs like MKey are for. MKey is primarily used to work with additional keys, but it can also be used to register key combinations on a regular keyboard. That is, you can assign keyboard shortcuts using the Ctrl, Shift, Win and Alt keys. MKey is far more powerful, reliable, and suitable for keyboard use than other programs available.