Steps to Add Product Category in Magento 2.X?
1. Log in to your Magento Admin.
2. From the left toolbar, select “Catalog”, then from the navigation panel select “Categories.”
3. Click “Add Subcategory”. In the text box of Category Name, enter the category of your product.
4. Click “Save.”
► You can manage your category by placing it inside the root category.
Your product category has been added successfully!