A is a unique string of alphanumeric characters that acts as a digital certificate of authenticity. When you purchase the software, this key is what validates your copy.
Typically, this license allows you to install the software on a specific number of computers—often one or three, depending on the package purchased. The key is the bridge between the user and the software developer, verifying that the user has the legal right to use the product and receive support. magic desktop license key