Sometimes it may be necessary to enhance the regular product description with a file attachment to provide your customers with a manual (that is, for example, if you are selling household appliances) or with a detailed program description (for example, if you are selling educational courses, etc.)
You can do that using the add-on File attachments.
The add-on provides a special tab on the product details page in the store Admin area - “Attachments” - which enables you to attach files to the product.
You can upload files from your local computer, your local server, or a URL. The server settings limit the maximum file size.
On the storefront, your store visitors can see and download attachments from the Description tab of the product details page: