First, add the page number.

1, double-click the footer or header area of any page to activate the header and footer design interface. Double-click the document text area to return to the text editing interface.

2. Double-click the footer or header area of any page to activate the header footer design interface. Click "Page Number" and select "Format Page Number" to enter the page number format setting page, select the required encoding format, and set the initial page number as "1".

3. Set the page number position. Here I choose, the bottom of the page is centered, and click OK to see the page number.

Second, page separation.

1, to set the fourth page as the starting page number, the page number must be separated from the third and fourth pages.

2. Move the cursor to the end of the third page and click Layout-Delimiter-Next Page (section break). In this way, the first three pages and the fourth page are separated, and the page numbers have changed. Watch the picture!

3. Select the page number of the fourth page, and click "Link to the previous page header" to close the link (closed status is not pressed).

Third, delete the page number.

1, keep the page number after the fourth page, double-click any page number of the first three pages, and click Page Number-Delete Page Number to delete the page number of the first three pages, starting from the fourth page.