Place your cursor where you want the footnote
Click Insert in the top menu
Select Footnote
Type your footnote text in the footnote area at the bottom of the page
Use the keyboard shortcut Ctrl+Alt+F on Windows or ChromeOS
Use the keyboard shortcut Command+Option+F on Mac
Edit footnotes by clicking the footnote number in the document or the text in the footnote area
Delete a footnote by removing its reference number from the main text
Add multiple footnotes by repeating the same steps where needed