Steps:

1. Log in to the system 
2. From the dashboard, go to the Tools and Add-Ons module.
3. Under the Stores/Inventory section, click on Manage Product Type.
4. On the top-left corner of the page, click the Add Product Type button.
5. A pop-up form will appear. Fill in the required fields i.e. Category – choose the product category (e.g., Electronics, Stationery)and the Product Name – enter the specific product (e.g., Laptop, Printer, Notebook).
6. Once you have entered the details, click the Submit button to save. The products added are saved under the categories they belong.