2. Click the Insert option on the first page of the document, then select the header and footer in the column box and click Enter.
3. Then you can go to the header setting page. If the header is set, it is not necessary to set it again. Just click on the header and footer above to switch.
4. Finally, enter the edited footer in the operation box. Of course, you can also edit and set page numbers. After the setting is completed, click Save.