Nessus License Key ((link)) -
Navigate to > Software License . You should see:
But here is the life hack nobody tells you: Most networks don't need more than that for a spot check. nessus license key
There are several types of Nessus licenses available, each with its own set of features and limitations. Here are some of the most common types of Nessus licenses: Navigate to > Software License
You’ll receive an email containing a string of characters—this is your activation key. Nessus Activation Code | Tenable® Navigate to >
Set up an administrator username and password for the Nessus UI.
No—not legally or technically. Each license key is tied to a single installation ID. Attempting to use the same key on two scanners will result in an "Activation Quota Exceeded" error.