Holocentric Modeler uses an Authorization Key to enable the product and features which are licensed.
You can install a new Holocentric Modeler authorization key at any time through the Help menu and by clicking on Product Registration. You can review your current authorization status, including your license expiry date and the maintenance and support expiry date, where these are applicable.
Click on the button Install Authorization Key... to locate, select and install your new key file. Please note that you will need to restart Holocentric Modeler for your new key to take effect.