Step 1 - Navigate to manager Menu: Appearance > Menu.
Step 2 - Choose Menu you want to show the Mega menu.
Step 3 - Click the button Mega to create the Mega menu for Item. So this Mega menu will show when you hover over the Item you choose to ad Mega menu.
Step 4 - A popup window is displayed. You can settings it before building content Mega menu.
(1) Click the button Edit Megamenu Submenu to build the Mega menu.
(2) Set Width for Mega menu.
Note: Edits must be saved before you click Edit Megamenu Submenu to save your settings.
Step 5 - Click Edit Megamenu Submenu then a new window will appear. You can build a Mega menu by Elementor. After finishing click Update and click.
Step 6 - Click Save Menu.