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Mac tip: Use the function keys without pressing “Fn”

Located at the top of your Mac keyboard is a collection of keys that feature an F followed by a number, These keys, known as Mac function keys, enable you to change certain settings and reach Mac features quickly, with the press of a couple keys. If you've ever used a keyboard shortcut, you know how simple and fast it is.

The time it takes to move your hand to your mouse or track pad and navigate to the action you wish to take is cut short thanks to the shortcut. The function keys work the same exact way, saving you time as you work, surf the internet, or game.


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Some apps allow you to customize the function keys to fit your preferences. You can also change your function keys to match your own shortcuts by remapping them.

How to Remap the Fn Keys on macOS - Make Tech Easier

If there's an action you take often using your Mac, the functions key can help. If so, your physical function keys are replaced by the Touch Bar , which changes automatically based on the apps you're using. By default, the function keys are ready to use without any other keystrokes.

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Simply press the key to activate the function you need to perform. The function will automatically activate.

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On these keyboards, there is a separate Fn key that you can hold down to indicate that you want to use the key as a standard function key. For instance, on the MacBook Pro laptop computer, the F12 key's primary function is to increase the audio volume. If this key is pressed while the Fn key is held down, the key will register as F12, and trigger any software functions that are configured to use this key.

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If you would prefer not to press the Fn key to access your function keys, you can configure the keyboard to treat them as regular function keys in your Control Panel or System Settings. If your keyboard does not have a row of function keys, they are probably set up as secondary functions on other keys. Look for alternate labels on your keys, or consult your computer's manual for more information.


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Below is a listing of some of the more common functions of the functions keys for Microsoft Windows and Microsoft applications, as well as some for macOS. As mentioned above, not all programs support these function keys, and the function keys on your keyboard may perform different tasks than those mentioned below.

For additional specific shortcut keys and function key examples, please visit our shortcut keys general index.