On a computer with internet, log into your Grass Valley My账户. Download the Offline License File (usually a .CVR or .LIC file) associated with your Perpetual license.
Copy this file to a USB drive. Move the USB drive to your dedicated Offline Editing PC (which should never connect to the internet to avoid telemetry conflicts). edius x lifetime activation offline work
However, a major concern lingers in the community: On a computer with internet, log into your