Upload the file you generated in Step 1.

Once you have a offline activation, you must maintain it. Unlike online licenses, offline licenses do not auto-update.

In most standard setups, Metasploit Pro activates via an internet-facing HTTPS request. However, "Offline Activation" is the preferred method for:

Metasploit Pro, developed by Rapid7, typically phones home to a license server to validate your subscription. When you install it on a machine with an internet connection, the process is seamless: you enter your license key, the software contacts Rapid7, and activation is instantaneous.