An bypasses this process. It is a hardware-locked or manually-entered cryptographic string that proves your right to use the software without external network access.
You can apply the key either through the graphical interface or the command line for air-gapped systems. Option A: Using the Graphical License Wizard On the remote computer, right-click the RealVNC Server tray icon. to open the License Wizard. Register offline at the bottom of the window. Paste your key or upload the license file as prompted. Option B: Using the Command Line realvnc offline license key new
Assuming you have a valid Enterprise subscription or a perpetual offline contract, here is how to generate a fresh key. An bypasses this process