TOC & Recently Viewed

Recently Viewed Topics

Upgrade from Evaluation

If you used an evaluation version of Nessus and are now upgrading to a full-licensed version of Nessus, you simply need to type your full-version Activation Code on the Settings page, on the About tab.

Update the Activation Code

  1. Select the button next to the Activation Code.
  2. In the Registration box, select your Nessus type.
  3. In the Activation Code box, type your new Activation Code.
  4. Click Activate.

    Nessus downloads and install the Nessus engine and the latest Nessus plugins, and then restarts.

Copyright © 2020 Tenable, Inc. All rights reserved. Tenable,, Tenable Network Security, Nessus, SecurityCenter, SecurityCenter Continuous View and Log Correlation Engine are registered trademarks of Tenable,Inc., Tenable.ot, Lumin, Indegy, Assure, and The Cyber Exposure Company are trademarks of Tenable, Inc. All other products or services are trademarks of their respective owners.