The first step is to click the header and footer in the insert.

Second, insert the page number in the footer at the bottom of the document.

The third step is to select Roman numerals in the style. After selecting this section, the general page numbers are all in Roman style, from abstract to table of contents.

Step 4: In the footer of the text, modify the page number style and renumber it from 1.

Step 5, in the page number setting, adjust the style and set it to this page and beyond.