How to add Sub-menu in Nivation bar (Shopify)

1. Log in to your Shopify admin panel.
2. Go to "Online Store" and click on "Navigation" in the sidebar.
3. In the Navigation page, locate the menu where you want to add the sub-menu and click on its name.
4. Click on the "Add menu item" button to create a new item for the sub-menu.

5. Choose "Collections" 

6.Then Click add

7. Drag and Drop the added menu item under the parent menu item

To create the sub-menu structure, drag and indent the sub-menu items slightly to the right under the main menu item they should appear under.

Click "Save menu" to save your changes.