Steps
Open More at the top of the editor, then choose Site settings. It opens on Site.
Type the new name in Site name and press Rename. It shows in the header, in every page’s title and on the payment page. Your web address stays the same.
For a header that’s the same on every page, press Add a site header…. A footer works the same way, with Add a site footer….
Pick what to Start from, then press Add site header.
Already have one? Press Edit site header (or Edit site footer) to change it right on the page.
Press Publish site at the top so visitors see the changes.
