To create a new menu:
- Step 1: From your Shopify admin, click Online Store, then click Navigation
- Step 2: Select the Add menu button.
- Step 3: Give your navigation a title. A handle will automatically be generated from this title.
- Step 4: Add links to your menu.
- Step 5: Click “Save” after adding all the required links.
Refer the following screenshots
Adding Menus
Choosing mega menu and configure its corresponding values.