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 add your full-version Activation Code on the Settings page of the Nessus UI.

Use a New Activation Code

  1. Select the button next to the Activation Code.
  2. Select the Registration type.
  3. Enter the new Activation Code.
  4. Select Save.

Nessus will download and install the Nessus engine and the latest Nessus plugins.

Once the download process is complete, Nessus will restart, and then prompt you to log in to Nessus again.

Copyright 2017 - 2018 Tenable, Inc. All rights reserved. Tenable Network Security, Nessus, SecurityCenter, SecurityCenter Continuous View and Log Correlation Engine are registered trademarks of Tenable, Inc. Tenable,, Assure, and The Cyber Exposure Company are trademarks of Tenable, Inc. All other products or services are trademarks of their respective owners.