Quote:Headers and Footers in a Word document are useful for adding dates, page numbers, and whatever other text you want. You can also place images in your header and footer, which is handy for adding, for example, a company logo. Here’s how to do it.

First, we need to add a header or footer. If you just want to pop open the header or footer area and do your own thing, all you have to do is double click in the areas at the top or bottom of any page in your document.

Word also features some built-in header and footer designs you can use to get a jump start on things. To use them, switch to the “Insert” tab and click either the “Header” or “Footer” button.

Full reading: https://www.howtogeek.com/398401/how-to-add-images-to-a-header-or-footer-in-microsoft-word/