How do I tag photos in photos?

Type Command + K to view the Keywords pane, and click + to add more keywords.

  1. Type in a keyword, and Enter.
  2. Double-click on the Shortcut column.
  3. Type a letter. …
  4. To tag photos manually, select and right-click.
  5. Type keywords into the Add a Keyword field.
  6. Click the Close bubble. …
  7. Select New Smart Album.

For More Information Please Refer: https://www.laptopmag.com/articles/use-keywords-apple-photos