Once licensed, you can stay offline for a "grace period"—typically 99 days for annual members and 30 days for month-to-month members—before the app requires a brief connection to re-validate the license.
Download Adobe Creative Cloud Desktop App (Windows) (Note: If the link initiates a specific version, it is likely the latest signed release. If the link 404s, Adobe has updated the version number—see the "Version Check" section below.) download adobe creative cloud desktop app offline installer