To configure the product categories, all you have to do is go to the "Catalog" section in the Admin and select a product contained in.
At this point, in the "Category" section, enter the name of the category to which the product belongs.
Once the product category has been entered, it will be displayed in the Shop as follows:
By adding products into categories you will make your catalog tidier and your customers will be able to find the products they are looking for more easily.