Enable F1 through F12 as standard keys or use them for quick system controls Reviewed by Jessica Kormos The F1-F12 keys at the top of your Mac keyboard can adjust brightness, control music, and launch ...

Function (Fn) keys – F1, F2, F3, etc., come in handy for those who are in dire need of shortcuts on their keyboards. Laptops are usually equipped with such keys but desktop keyboards, especially the ...