Set up a Chinese or Cantonese input source on Mac
On your Mac, add input sources so you can use a standard keyboard to type in Chinese or Cantonese.
On your Mac, choose Apple menu
in the sidebar. (You may need to scroll down.)Go to Text Input on the right, then click Edit.
Click the Add button
, select “Chinese, Simplified,” “Chinese, Traditional,” or “Cantonese, Traditional” (scroll down in the sidebar on the left or use the search field), then select an input source in the list on the right.Tip: You can add a handwriting input source even if you don’t use other input sources for that language. For example, you can add Handwriting - Cantonese even when English is the only other input source added.
Click Add.
Note: If your Mac has a Touch Bar, you can customize the Control Strip by adding the Input Sources button 
, the Handwriting button 
, or both. To learn how to change the Control Strip, see Customize the Touch Bar.
After you set up a Chinese or Cantonese input source, you can switch to the input source you want to use and then start typing Chinese or Cantonese characters.