Does activation require internet access?

I'm considering buying a license, but I have one concern. Does it require an internet connection for activation/initial setup?

Some of our machines are in an air-gapped environment, so I’m particularly interested in whether offline activation or an alternative procedure is available.

Hi Krystian

Thank you for your interest in WireframeSketcher. Please note that internet is not required for license activation.

Please let me know if you have any other questions.