A software license is the right to use a particular software package within the terms established by the vendor. Buying a software license differs in several ways from buying a packaged product. When you buy a software license you generally speaking only acquire the right to use the software, and the cost is designed to reflect this.
Many moder software products are subscription based and require that you comit to montly or annual subscription programs. Area9 software sales team can assist with setup of your subscription service.