Navigate to the application preferences, locate the "Updater" section, and turn off automatic checks. For a permanent fix on Windows, you may need to disable the Adobe Acrobat Update Service within the Windows Services manager ( services.msc ) to prevent the software from updating itself in the background.
The application will restart and return to the classic user interface. Where to Download Older Versions old version of adobe acrobat reader download better
If you successfully install an older version, Adobe’s built-in update utility will immediately attempt to overwrite it with the newest version. To keep your preferred version, you must disable automatic updates immediately after installation. Navigate to the application preferences
Ultra-lightweight, open-source reader stripped of all unnecessary features for maximum speed. locate the "Updater" section