STEP 1: How to trigger a Popup from a Nav menu item?


You can have a mega menu type of navigation, using the Popup Elementor feature. Please check the detailed tutorial below: 


https://elementor.com/help/how-to-trigger-a-popup-from-a-nav-menu-item/






STEP 2: How to edit the Shop Online popup mega menu?


The "Shop Online" navigation item leads to a popup named "Shop Online Mega Menu". You can locate this template in Dashboard > Templates > Popups.

Click on "Edit with Elementor" to edit the menu, images, button's link, etc.


https://elementor.com/help/how-do-i-create-my-first-popup/




Another way to quickly access the Shop Online mega menu is to mouse over the "Edit with Elementor" link and click on "Shop Online Mega Menu" popup:






Please check these guides for further information:

Guide to Vamtam Elementor Builder

https://elementor.com/help/elementors-theme-builder/