Offering Downloadable Products with Quick Shopping Cart
You can use your Quick Shopping Cart® storefront to offer digital products for download (such as e-books, images, or music). For more information about adding digital products to your store, see the To Add a Product section in Working with Products.
NOTE: You can offer digital products up to 500 MB in size. All file types are supported.
For more information, see How do my customers receive downloaded products?