Magic Keyboard for MacBook Pro
The Magic Keyboard with Touch ID has built-in features that make it easy to enter emoji, switch keyboard languages, lock your MacBook Pro, and perform many system functions with the touch of a key. When you set up Touch ID, you can use your fingerprint to unlock MacBook Pro; quickly lock your screen; or make purchases from the App Store, Apple TV app, and Apple Books, and on websites using Apple Pay.
Set up Touch ID. You can set up Touch ID during setup, or at a later time in Touch ID & Password in System Settings. For more information about Touch ID, see Set up your MacBook Pro.
Turn on your MacBook Pro. Lift the lid, press Touch ID (the power button), or press any other key.
Use Touch ID. After you set up Touch ID, when you start up or restart the computer, you need to log in by typing your password. After initial login, whenever you’re asked for your password in the same session, you can just place your finger lightly on the Touch ID sensor to authenticate. You can also use Touch ID to make online purchases securely with Apple Pay. For more information about Apple Pay, see Use Apple Pay on your Mac.
Lock your MacBook Pro. Press Touch ID to quickly lock your screen.
Turn off your MacBook Pro. To turn off your MacBook Pro, choose Apple menu 
> Shut Down. To put your MacBook Pro to sleep, choose Apple menu > Sleep.
Use function keys on your 14-inch and 16-inch MacBook Pro. The function keys on the top row of the 14-inch and 16-inch MacBook Pro provide shortcuts for these common system functions:
Brightness (F1, F2): Press
or 
to decrease or increase the brightness of the screen.Mission Control (F3): Press
to view what’s running on your MacBook Pro, including all your spaces and open windows.Spotlight Search (F4): Press
to open Spotlight and search for something on your MacBook Pro.Dictation/Siri (F5): Press
to activate dictation—you can dictate text wherever you can type (for example, in Messages, Mail, Pages, and other apps). To activate Siri, press and hold , then immediately speak your request.Do Not Disturb (F6): Press
to turn Do Not Disturb on or off. When Do Not Disturb is on, you won’t see or hear notifications on MacBook Pro, but you can view them later in Notification Center.Media (F7, F8, F9): Press
to rewind, 
to play or pause, or 
to fast-forward a song, movie, or slideshow.Mute (F10): Press
to mute the sound from the built-in speakers or 3.5 mm headphone jack.Volume (F11, F12): Press
or 
to decrease or increase the volume of sound from the built-in speakers, 3.5 mm headphone jack, or Bluetooth audio device.
Note: Function keys can perform actions in specific apps or may have alternative functions—for example, the F11 key can hide all open windows and show the desktop. To trigger the alternative function associated with a key, press and hold the Function (Fn)/Globe key 
while you press a function key.
Use function keys on your 13-inch MacBook Pro. The Touch Bar on the 13-inch MacBook Pro also has traditional function keys. Press and hold the Function (Fn)/Globe key to display function keys in the Touch Bar.
Use the Touch Bar on your 13-inch MacBook Pro. All system functions for your 13-inch MacBook Pro are located on the Touch Bar. Use the Touch Bar for these common functions:
Brightness buttons: Press
or 
to decrease or increase the brightness of the screen.Mission Control button: Press
to view what’s running on your MacBook Pro, including all your spaces and open windows.Launchpad button: Press
to open Launchpad and instantly see all the apps on your MacBook Pro. Click an app to open it.Keyboard illumination buttons: Press
or 
to decrease or increase the brightness of the keyboard.Media buttons: Press
to rewind, 
to play or pause, or 
to fast-forward a song, movie, or slideshow.Mute button: Press
to mute the sound from the built-in speakers or 3.5 mm headphone jack.Volume buttons: Press
or 
to decrease or increase the volume of sound from the built-in speakers, 3.5 mm headphone jack, or Bluetooth audio device.You can also customize theTouch Bar on your 13-inch MacBook Pro for different apps. See how with Customize the Touch Bar on the 13-inch MacBook Pro.
Use emoji or switch keyboard languages. Press the Function (Fn)/Globe key to switch to a different keyboard. Press repeatedly to cycle through emoji options or other languages you specify in Keyboard settings, or press twice quickly to start dictation (if you turned on Dictation in Keyboard settings).
Adjust keyboard settings. To specify options for your keyboard and the Function (Fn)/Globe key , open System Settings, click Keyboard in the sidebar, and choose options to change your keyboard or input source, show emoji and symbols, start dictation, or define functions.
Learn about keyboard shortcuts. You can press key combinations to do things on your MacBook Pro that you’d normally do with a trackpad, mouse, or other device. For example, press Command-C to copy selected text, then click where you want to paste the text and press Command-V. For a list of commonly used shortcuts, see Keyboard shortcuts on your Mac. If you’re new to the Mac, you might also be interested in Are you new to Mac?.