Many users deliberately "downgrade" to version 3.0 for the following reasons:
Note: ADE 3.0 is a 32-bit application and is with macOS Catalina (10.15) or later. Why Choose Version 3.0 Over Newer Versions? adobe digital editions 30 download updated
Adobe Digital Editions 3.0: Essential Guide and Updated Download Links Many users deliberately "downgrade" to version 3
Users frequently report that version 4.5 fails to recognize eReaders or returns "CE_COPY_NOT_ALLOWED" errors. Reverting to 3.0 often resolves these communication bugs instantly. adobe digital editions 30 download updated
ADE 3.0 is lightweight, requiring only 512MB of RAM and an Intel Pentium 4 or later processor, making it ideal for older laptops. Installation & Setup Instructions Adobe Digital Editions 3.0 | Community