Head into Settings in the Ezoic User Interface. You will see a 'Menu' option in both Basic and Advanced. Click it. Inside, you will be able to edit/add your menu items.
Editing the menu:
- You can reorder your menu items by clicking the 'crosshair' and then dragging it to the place you'd prefer.
- Double check the 'preview' to make sure that everything looks to be in order: