Go to WP Menu => Appearance => Click on Menu
Here also you can create a menu and you can adjust the menu according to you.
Go to WP Menu => Appearance => Click on Menu => Primary menu
Here also you can Customize Primary menu from customizer you can adjust the menu according to you.
Go to WP Menu => Appearance => Click on Menu => View all location
Here also you can see how you can adjust menu location according to you from customizer.
