Follow the prompts until you see a link: or "Having trouble connecting to the internet?" . Click this link to initiate the Offline Activation screen.
It is important to distinguish between "Offline Activation" for older perpetual versions (like Acrobat 2017 or 2020) and "Feature Restricted Licensing" or "Named User Licensing" for the modern Pro DC subscription. Methods for Offline Activation 1. Serial Number Activation (Perpetual Licenses) Adobe Acrobat Pro Offline Activation
"signature": "rsa-sha512:...", "permission_token": "...", "expiry": "never", "machine_binding": "sha256:a1b2c3..." (matches request) Follow the prompts until you see a link: