From Appearance > Menus > Create a new menu > Enter the name>>Create New
From the left panel, you can select Custom Links to build the menu items:
Note: You also can use the menu items in the Categories tab
Then, select the position you want to add this menu to. We select to add this for menu item: SHOP in Primary Menu.
Please select the Primary menu, click on the Settings button of SHOP
– Class Megamenu Responsive:
Add this text so that the mega menu item will show wiper
.main-menu-wrap
Content: Click in LOAD EDITOR button
Then, please save again all your settings. The mega menu will show like this