NOTE: Require In-Commerce module to be installed.
- login to the Admin Console
 - go to the Website & Content → Structure & Data → Products section (you should be on the Products tab)
 - switch to the Sections tab
 - add a Sub Products section (category)
 - go to the Website & Content → Structure & Data → Products → Sub Products section (you should be on the Products tab)
 - create a downloadable product in Active status with 1 file in it
 - login to the Front-End
 - go to the Products > Sub Products category and buy the above-created product
 - go to the Admin Console
 - go to the {anv E-commerce > Orders} section (you should be on the Pending tab)
 - confirm that just submitted sales order is shown in there
 - select just submitted sales order
 - click on the Approve toolbar button
 - confirm that the sales order is longer shown in the Pending orders grid
 - go to the Front-End
 - click on the My Downloads link in the side bar
 - click the Download Now toolbar button
 - confirm that the downloaded file matches (by content) the file used when creating a downloadable product