This article applies to Classic Commerce. (Looking for Contextual Commerce documentation?)
Sofware_DNA provides software license management and copy protection services to help software developers maximize revenues and minimize unauthorized use of software while offering flexible licensing options for betas, previews, demos and retail versions.
For more information on software_DNA's features, pricing and documentation, visit http://www.softworkz.com/.
Step-by-step instructions to help you integrate software_DNA with FastSpring can be found in the downloadable PDF document attached to this article, which has been provided by the makers of sofware_DNA.