Create a Menu

Update Menu Items in the Site Editor

In the Site Editor, your menu comes from the Navigation block. Follow these steps to make a new menu.

1. From your dashboard, go to Appearance → Editor.
2. In the Design Editor, look for Navigation. 
3. Using the List View, you can click and drag the pages to move it to another position if needed.
4. Alternatively, you can click on the three dots beside the pages to move up or down. 

For more information on creating your Menus for your site see the following link: https://wordpress.com/support/menus/create-a-menu/