For existing installations, you can manage or renew your license through the License Management section in the application settings. This allows you to: View the current license duration and available features.
If you get a new workstation, go to Help > About > License Details in Maltego and click Deactivate before uninstalling. This frees up the seat for your new device. maltego license file
What (Windows, Linux, or macOS) are you hosting the software on? For existing installations, you can manage or renew