Not all eCommerce stores specialize in physical products. Some — perhaps yours? — are about the business of selling digital products, like audio files, books, PDFs, video tutorials, games, or even stock photography.
Download links are automatically attached to the emailed invoice once purchase is complete as well as listed in the download area of a customers account page.
For more detailed information on the downloadable listing go here : Downloadable Listing Instructions
For more details on webstore features go here: Webstore Features
View webstore instructions and to get a better feel of the vendor dashboard go here: Webstore Listing Explained