RadiAnt’s support team (Poland-based) is notoriously responsive. If your key is "broken" due to a server migration, email them your HWID and receipt. They will send you a manual_unlock.bin file within 4 hours.
If none of the above works, the key is not broken—your situation has changed. Email support@radiantviewer.com with: radiant dicom viewer activation key fixed
RadiAnt phones home to validate the key. If you are in a hospital with strict firewall rules or using offline PCs (PACS workstations with no internet), activation fails. radiant dicom viewer activation key fixed
RadiAnt offers two primary ways to activate a license based on internet connectivity: Automatic Activation (Online): radiant dicom viewer activation key fixed