- In the administration panel, go to Products > Products.
- Click on the link corresponding to the necessary product.
- Follow to the Shipping properties tab on the opened page.
- Enter the desired shipping cost in the Shipping freight input field.
- Click the Save button.
- Repeat points 2-5 for other products.
- Create a free shipping method.
NOTE: The value of the Shipping freight field is added to the shipping rates of the shipping method.