Authorization is the most critical step. Without it, you will not be able to transfer books to e-readers or open protected files on multiple devices.
Locate the link labeled (or the most current version listed).
Navigate to the official Adobe Digital Editions Download page .
Drag any EPUB or PDF file directly into the ADE window. File Menu: Go to File > Add to Library .
Review the Software License Agreement and click , then Agree .
Open your folder and double-click the ADE_4.5_Installer.dmg file.