It is simple with WordPress to create and modify a menu.
Go to the wordpress administration screen and search for
Once accessed you have 4 types of objects to be included in your menu:
They are static custom pages created ad hoc.
Individual posts published on the site.
3) Custom links
Internal or external links to the site.
Perhaps the type of object that will be inserted most often, the category.
Categories can be created under
Categories. You don’t need to order them in that section because when on the menu you can choose the order to be given to the menu items.