Instructions:
- Login to WordPress dashboard
- Go to the left-hand side, mouse over Appearance, select Menus
- Make sure you’re set to Menu Name: Primary Nav
- To edit a pre-existing tab: Find the tab in the Menu Structure section that you want to edit, click its drop-down button to open
- Drag a page, post, link, etc. from the left-hand side to the drop-down of your tab
- To create a new tab: Drag a page, post, link, etc. from the left-hand side and put it in the desired order on the Structure side
- Save/Update menu