1, and set the margins. Steps: Page Layout-Margins-Select the appropriate style;

If you feel that the style is wrong, you can click the custom margin and modify the value in the pop-up window.

2. Set the line spacing. Step: Click on the paragraph and set it in the pop-up dialog box.

3. Insert the page number. Step: Insert the page number, as shown in the figure.

Note: The above screenshot takes version 20 10 office as an example. The steps of the 13 version are similar.