open them with standard PDF readers. You must install and authorize Adobe Digital Editions (ADE) on your device. Borrow Duration: If you only see a "Borrow for 1 hour" option, the book is generally not downloadable for offline use. You must select the "Borrow for 14 days" option to access the Encrypted Adobe PDF/ePub download buttons. Authorization Errors: If ADE gives an error like E_LIC_ALREADY_FULFILLED
: If you only see a "Borrow for 1 hour" option, you may not be able to download a permanent file for offline use unless a 14-day loan is available. how to fix download a borrowed book from archiveorg