If the computer running the Sonarworks Reference software doesn't have access to the internet, you can activate it through an external computer that has internet access, by generating an offline activation request.
1. Generate activation request file with the plugin / measurement software.
2. Go to sonarworks.com/offline-activation.
3. Enter all your details, license key, and import the activation request file.
4. Download the offline-activated license file.
5. Import the license file in the plugin / measurement software.