These use Safenet/Thales Sentinel keys. They are identified by numbers starting with 22000 to 40000 for softkey licenses, or physical USB dongles. 2. Common OpticStudio License Errors and Their Meanings
If you need to move a fixed license from one computer to another, this is usually handled through the Zemax License Manager by "returning" the softkey or using the physical USB dongle. The Future of Fixed Licenses zemax opticstudio license fixed
Download and install the on your machine. These use Safenet/Thales Sentinel keys