By default, headers and footers display on every page of your document. However, you can alternate by even and odd pages or have the first page of your document different than the rest.

Whether you want to use page numbers to distinguish between a novel's preface and main body, a dissertation's introduction and chapters, or a textbook's content and index, using Microsoft Word's ...

You can add page numbers in Word to the header or footer sections of a document using the page numbers option in the Insert menu.