WordPress - PHP

Making new  menu and display location:

1. Code Snippets » Add Snippet 

<?php

    function wpb_top_right_menu() 

{

        register_nav_menu('top-right-menu',__( 'Top Right Menu' ));

}

add_action( 'init', 'wpb_top_right_menu' );?>

2. Appearance » Theme File Editor » Header(typically)

wp_nav_menu( array( 'theme_location'=>'top-right-menu', 'container_class'=>'top-right-class' ) );