Here’s how to create a simple header or footer.
Click Insert and then click either Header or Footer.
Click the layout you want to use. Word comes with lots of built-in layouts so you might need to scroll to see them all.
Notes: The header and footer area is marked by a Header or Footer tag and a line near the top or bottom of your document. You won’t be able to edit the body of your document while the header or footer area is open.
Most headers and footers contain some placeholder text. Type over the placeholder text with your own text.
When you're done, on the Header & Footer Tools tab, click Close Header and Footer.