How to set this page number format in the word footer

Place the cursor at the end of the first page, select the "insert" menu-separator-select the next page in the "delimiter", and then select the "View" menu-header and footer, you do not need to edit the header and footer content on the first page. Place the cursor in the header and footer of the second page and edit it. Then, deselect the "same Front" button on the "header and footer" toolbar. When you insert a page number, set the start page number to 1. If the first page still has a header or footer, you can delete the header and footer of the first page without affecting other pages.