You can remove or make changes to headers or footers on any page in Microsoft Word. This is handy if, for example, you want to hide the header or footer on a specific page. The process is a bit different if you want to delete a header or footer on the first page of your document or on any other pages. Here’s how it works.

Source: https://www.howtogeek.com/355548/how-to-delete-a-header-or-footer-from-a-single-page-in-word/