How to setup Multi-column drop-down menus?

Navigate To Admin > Appearance > Menus From Admin Panel’s Sidebar.

Please follow below steps.

1. Create new menu add page/post/portfolio
2. Open menu item and check “enable h-code mega menu for this item (only for main parent)”
3. Set menu with icon column for first level
4. Add new menu item for second level, you can add icon and widget sidebar .
5. Save menu that’s it for mega menu.