1. First open the Word document, click the Insert tab, and then click the page number.

2. Then click the icon in the middle of the footer, and the ribbon will switch to the header and footer. At this point, the page number value has appeared in the footer.

3. Then click Insert, then shape and circle a rectangle, which you can choose according to your own needs.

4. Then the mouse arrow turns into a plus sign, drag a small area in the footer edit box, and then click the image effect and then glow.

5. Finally, click the luminous variant, then select Indian red, and finally enter the page number 20 16.