In your Shopify admin, go to Online Store and click Themes.
Find the theme you want to edit, then click ... button and select Edit code.
Under Templates, open the product.liquid file.
Find the spot where you want the Associated fees to appear.
Paste this code block:
<associated-fees data-information="This product requires FEE_TITLE. This FEE_PRICE fee will be added to your cart."></associated-fees>You can customize or translate the text inside the quotation marks.
Don’t change FEE_TITLE or FEE_PRICE. These will automatically show the fee’s title and price.
Click Save.
If you need any help, just let us know.