ATOM uses a sidebar navigation system, that features multi-tiered drawers based on nested menu configurations.
Go to Online Store
→ Navigation
→ Add menu
By default, your will see the, Main menu
and Footer
- menus linked to your store, click on either to start editing the current menus
To add a new menu, go to Online Store
→ Themes
→ Header
Then to update select Change
→ Main menu