Press Control + Command + Space to open the Emoji Viewer, then select an emoji to insert it
Use the search box in the Emoji Viewer to find a specific emoji
Click an emoji to insert it into the active document or field
If you use a different app, place your cursor in the text field first, then open the Emoji Viewer with Control + Command + Space
To use keycaps like 1, 2, 3, etc., search for “keycap” in the Emoji Viewer
To insert symbols using the Emoji Viewer, search for the symbol name or category and select it