How to Create Custom Menus and Sub Menu In WordPress 

 Menus are a thing which are static over a whole website. So, it is really very important for us to have an attractive menu to attract most of our viewers. The Custom menus of WordPress they obtain links to the pages, categories, custom links and several kind of the other content types. You will also be able to specify a different navigation label for a menu items.
 
First of all just go to the Appearance on your WordPress Dashboard. After that, click on the Menus link in the Appearance tab. You will now see the Menus editor page.



After that, if you want to create your own menu then you have to click on ‘create a new menu’ to create a new custom menu or enter the menu name you want to customize. I’ll go for a new custom menu. Enter a name for your new menu a name you want and click on the Create Menu button.



Now you have created your own menu. 😊
 
To add the the menu items, simply start adding menu items from the boxes on the left, such as Pages, Posts, Categories, Tags, and more.
 

 
You can also add submenus for your menu from here. To do this, simply add them to your menu first and then, drag the item to the right-below side of the specific menu item, which will be known as the “parent item”.
 
Apart from all of those step in the last you have to only click save menu button and then your menu will be ready to shown in your website ....

If you have to create your own menu with the help of WordPress functionality code then please check the link given below