If you wish, drag the “DeDRM.app” application into your Dock to make is easily accessible.Drag the “DeDRM.app” application to your “Applications” folder or wherever is convenient for you.Read the “DeDRM ReadMe.rtf” file that’s in the “DeDRM_Application_Macintosh” folder!.Open the folder “DeDRM_Application_Macintosh” that’s in the unzipped tools folder.Unzip the tools archive (by double-clicking it).Download the latest tools zip archive (link in this post).Run the Python.mpkg application from the disk image, accepting all defaults.Download Python 2.7.3 from and, if necessary, mount the disk image file by double-clicking it.
The DeDRM application identifies an ebook’s format, and then removes the DRM from that ebook by running the appropriate DRM removal python script. If you don’t want to use calibre, for whatever reason, here is an alternative. The simplest way to remove the DRM from your ebooks is to use calibre and the DeDRM calibre plugin, as described in my post DeDRM plugin for calibre: the simplest option for removing DRM from most ebooks. Post updated on 22nd March, 2013 System Requirements: Mac OS X 10.4 and above.