RealVNC offers several subscription plans tailored to different user groups:
sudo vnclicense -add XXXXX-XXXXX-XXXXX-XXXXX-XXXXX vnc server license key serial number exclusive
VNC Connect now uses cloud-based account licensing rather than offline keys. You typically sign in to the VNC Server app with your email and password to activate it. vnc server license key serial number exclusive
Allows IT administrators to deploy VNC across thousands of machines using automated installation scripts. vnc server license key serial number exclusive
RealVNC no longer offers a free-for-life version for new users. It has been replaced by a Lite subscription or a free trial.