Vnc 5.0.5 — License Key

: RealVNC has transitioned to a subscription-based model called VNC Connect . Modern versions no longer use the old "offline" license keys in the same way; instead, they require signing into a RealVNC account to manage subscriptions.

If you previously installed VNC 5.0.5 and need to retrieve your own key, it may still be stored locally: Windows Registry vnc 5.0.5 license key

When prompted, enter your 25-character license key. : RealVNC has transitioned to a subscription-based model