The Licenses window provides the list of licenses granted (and active) for the customer selected in the Customer combo box. It includes the Description (type) of license, the number of licenses granted (Qty), the number of Installations, the validation period for each license (Created/Expires), and the Online status:
Click Details to view or update the information about the currently selected license.
The license details include:
Terminal ID: unique identifier of the terminal.
Installation key: the installation key for that license.
Installation date: the date the license was installed.
Location: the location of the terminal as defined by user.
One license can be installed on as many terminals as the license allows. To run the terminal service, the license file is installed on each terminal in the License details window of the composer network services web-interface. Therefore, each installation is bound to a unique terminal identifier. Use the buttons provided by this window to add, register, change or remove license installation.
You can learn more about license installation in How to change license installation.