Follow the instructions below on How to create a category and subcategory of products in PrestaShop 1.7?
First of all, open your PrestaShop dashboard. On the left side choose our catalog section and click on the categories button.
Here we have to click on the add new category button. Here we have to fulfill our details like category name, Description, Meta Title, Meta Description, and Meta keywords. After this, we have to click on the Save button.
So here again Here we have to click on the add new category button. So Enter The Subcategory Name, and select Parent category, Now select the main category in which you want to create a subcategory. After that add the Description, Meta Title, Meta Description, and Meta keywords. Simply click on the Save button.
Let’s add The category in The products. Simply click on the product button. Simply scroll down And select your product-related category.
If your category is not in it, you can add your category by clicking the Create A New Category button. So finally click on the Save button. Now your category and subcategory of products have been added to PrestaShop successfully.