Enabling the Megamenu
A megamenu is a way to offer a better user experience when using the store navigation.
In order to activate the mega menu features, you'll need to go in Header settings --> Enable Megamenu
Note: You need to make sure that you have at least a sub-menu item linking to a collection or product with an image in your navigation to activate the mega menu layout.
As you see just bellow, it is the settings configuration for that megamenu in Shopify navigation, after we enabled the mega menu settings, this is the final result: