Function keys are the F1-F12 keys that run across the top of your keyboard. Commonly ignored yet incredibly useful, most function keys act as time-saving, shortcut buttons.

Scroll down to "Function Key Behavior" on the "Advanced" tab by pressing the down button. Press "Enter." Press the up/down arrow keys to move the selection to "Multimedia Key First." ...

Until macOS 12 Monterey, the Fn key was essentially a hardware toggle key that switched the behavior of other keys to an alternative function, most notably toggling the F1, F2, etc. keys at the top of ...