First, open the word document normally, and click the Insert option in the toolbar.

Find the page number in the toolbar and click the small arrow at the bottom of the page number.

Then choose the position where the page number is placed, usually at the bottom of the article, so choose the bottom of the page.

After choosing a position, you should choose a page number style. At this point, drag the drop-down key to find the number 3 in bold.

The system will automatically generate page numbers. If it is not the desired effect, enter "No" before the number before the slash, "Page" before the number after the slash, "* * *" before the number after the slash, and then "Page" after it.

Delete the slash between two numbers.

Exit page number. At this time, you will find that the page number style has been set to the style of X ***X page, as shown in the following figure: