You can either follow the video or follow the below steps to Create and Edit Navigation Menu.
You can create navigation menu from Customizer or from Dashboard. This theme supports a single menu in the header section.
Create a New Menu from Customizer
- Go to Appearance > Customize> Menus in the WordPress Dashboard
- Click on Create a New menu button
- Give a name to your menu.
- Click Next
- Click “Add Items” to add items (pages, posts, categories, custom links…) to the Menu
- Click “+” icon on the items list to add the item to the menu
- Drag and Drop the added items to rearrange them.
- Click Publish
Create Menu from Dashboard
- Go to Appearance > Menus in the WordPress Dashboard
- Click on create a new menu.
- Give a name to your menu in Menu Name and click on Create Menu button.
- Select the items from Pages, Posts, Custom Links, or Categories and click “Add to Menu”.
- Drag and Drop the added items to rearrange them.
- Check the Menu location to Primary
- Click Save Menu