This article explains how to use the function keys on your Mac. At the top of your Mac keyboard is a set of keys that begin with an F followed by a number, 1-12. These keys, also known as Mac function keys, allow you to change certain settings and access Mac features quickly with the press of a few keys.
The F-keys and special function keys on the Mac keyboard
You may need to go into System Preferences to enable function keys on your Mac. Here are the settings you can adjust:
On your Mac, click Launchpad > System Preferences.
There, click on Keyboard and then on Shortcuts.
