Add / Clone a new page
To add a new (Empty) page, click the 'Add Page' button at the bottom of the pages menu, to Clone or douplicate an existing page, click the 
icon beside the page name that you want to clone.
Enter a title for the new page and click 'Add Page' button for a blank page or 'Duplicate Page' button to clone an existing one.
To include a link in the top navigation menu, check the 'Add a page link to the navigation menu' box.
You can add a link to the navigation menu later or manage links from Site editor > website header > navigation menu.
If your navigation menu has categories, a dropdown will appear to select the appropriate category for the new link.