While RealVNC 6.x used a 25-character key, RealVNC 7.x (and later) uses a longer offline license file or token .
Maximising Security with the New RealVNC Offline License Key realvnc offline license key new
Once applied, the software runs locally on your devices without needing to ping external licensing servers. While RealVNC 6
This feature is primarily available through RealVNC Connect Enterprise subscriptions. Key Changes in RealVNC 7.x and Newer realvnc offline license key new