Switch to a Chinese or Cantonese input source on Mac
After you set up the input sources you want to use on your Mac, you can easily switch between them.
On your Mac, do any of the following:
Use the Input menu: Click the Input menu in the menu bar, then choose an input source. If the input source is dimmed, the current app doesn’t support it.
You can also press Option-Control-Space bar to select the next input source in the Input menu, or Control-Space bar to select the previous input source.
Use the Caps Lock key: If you set an option in Input Sources settings to change input sources by using the Caps Lock key or a dedicated language switching key (for example, “中 / 英” on Chinese – Pinyin and Chinese – Zhuyin keyboards), press the key to switch to the input source you want to use.
To check your Input Sources settings, choose Apple menu > System Settings, then click Keyboard in the sidebar. (You may need to scroll down.) Go to Text Input on the right, then click Edit.
Use the Fn key or : If you set an option in Keyboard settings to change input sources by using the Fn key or (if available on the keyboard), press the key to display a list of your input sources, then continue pressing the key until the input source you want to use is selected. The list disappears automatically.
To check your Keyboard settings, choose Apple menu > System Settings, then click Keyboard in the sidebar. (You may need to scroll down.)
Use the Touch Bar: If your Mac has a Touch Bar, and you customized the Control Strip by adding the Input Sources button , the Handwriting button , or both, tap a button, then tap the input source you want to use. To learn how to change the Control Strip, see Customize the Touch Bar.