You must still have Adobe Digital Editions installed and authorized to "unlock" the book first.
If you are looking for more flexibility or free options, consider these widely-used tools: ePub DRM Removal 4.22.10316.398
The tool is highly streamlined with a "3-step" process: Run, Add, and Convert. You must still have Adobe Digital Editions installed
The gold standard for e-book management. It is free and handles a much wider variety of formats than standalone removal tools. or iPhones. Once decrypted
ePub DRM Removal 4.22.10316.398 is a niche utility designed to strip protection from e-books, primarily allowing them to be read on non-native devices like Sony e-Readers, iPads, or iPhones.
Once decrypted, files can be sideloaded to Kindle, Nook, or other mobile e-reading apps. Notable Pros & Cons
It supports converting multiple books at once to save time.