2 : Select the 'Pages' tab from the top menu.
3 : Scroll down on the page and click the 'Add New Category' button, next to the blue button.
4 : A dialogue box will appear. Type in a name for your new category and click 'Create New Category'.
5 : Your new category will appear at the top of your Menu Pages list with a folder icon. You can Drag and Drop any of your other pages or galleries into the category folder you have just created using the 'Move' icon beside it.
6 : After you have moved the pages or galleries you want into the category, it will appear as it does below.