A download processor for secure downloading of a digital product file when ordered by a user. The order includes a file identifier related to the file and an order identifier related to the order. The download processor performs security checks related to the file, the order, and the user. The file identifier and order identifier are verified based upon information related to the file and the order, and information related to the user is also verified. Based upon the verifications, the download processor selectively permits or denies download of the file to a user machine.