If you are looking for information on the "new" way RealVNC handles offline license keys, the most important shift is that offline licensing is now strictly reserved for Enterprise subscriptions. Key Changes to Offline Licensing
RealVNC 8.x: As of early 2026, version 8 does not yet support offline licensing. How to Obtain Your New Offline License Key realvnc offline license key new
If you received an .rfx file (commonly offline_license.rfx): If you are looking for information on the
Unlike cloud licensing, offline licenses do not update automatically. When your subscription renews, you must manually retrieve and re-apply the new key to every server to prevent losing access. Subscription Renewal Guide. When your subscription renews, you must manually retrieve
An offline license key is a unique code that allows you to use RealVNC without an internet connection. This type of license key is useful for users who do not have a stable internet connection or prefer not to rely on online activation.
Transfer the license.rlf file back to the offline machine (via USB).