Download Tenable Nessus
Download Tenable Nessus from the Tenable Downloads site.
When you download Tenable Nessus, ensure the package selected is specific to your operating system and processor.
There is a single Tenable Nessus package per operating system and processor. Tenable Nessus Manager, Tenable Nessus Professional, and Tenable Nessus Expert do not have different packages; your activation code determines which Tenable Nessus product is installed.