Set up a Chinese or Cantonese input source on Mac
On your Mac, choose Apple menu
> System Preferences, click Keyboard, then click Input Sources. Click the Add button
, select “Chinese, Traditional”, “Chinese, Simplified”, or “Cantonese, Traditional”, then select any of the following.Cangjie
Pinyin - Traditional
Shuangpin - Traditional
Stroke - Traditional
Sucheng
Handwriting - Traditional
Zhuyin
Zhuyin - Eten
Pinyin - Simplified
Shuangpin - Simplified
Wubi Xing
Stroke - Simplified
Handwriting - Simplified
Cangjie - Cantonese
Stroke - Cantonese
Sucheng - Cantonese
Handwriting - Cantonese
Tip: You can add a handwriting input source even if there are no other input sources for that language. For example, you can add Handwriting - Cantonese when French 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 
and the Handwriting button 
. See Use the Touch Bar on Mac.
Once you set up a Chinese or Cantonese input source, you can start typing Chinese or Cantonese characters.