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.

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 ...

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." ...

Choose the Function Key option to lock it. Click F10 to save the changes, then click Yes when the prompt appears. If you don't plan to use the Fn key at all, you can also disable ...