To Add a Page to your Website
Click "Settings" in the left menu.
In the next column to the right, the Subpages List at the top of the menu should be highlighted (in black.) In the next column to the right (under Home), go to the bottom of the pages list and click the "+ Add a new subpage" button.
Under Add a new subpage, enter the desired subpage name in the "Subpage name" text box.
Optional: Choose "Show More Options" to indicate a specific page type.
Click the blue button that show: either "Save Changes" or "Add".
For additional help
Rename and reorder a subpage: