To deauthorize Adobe Digital Editions, and then re-authorize with the correct Adobe ID.

1. Deauthorize Adobe Digital Editions

  • a) Open Adobe Digital Editions
  • b) On your keyboard, simultaneously press the Ctrl, Shift, and D buttons (if on Windows) or the Cmd, Shift, and D buttons (if on a Mac)
  • c)Click the button that says Deauthorize Computer

2. Authorize Adobe Digital Editions

  • a) If you don’t already have an Adobe ID, create one here
  • b) Open Adobe Digital Editions
  • c) Click on the Library button (looks like 3 books, at the left of the page)
  • d) Click on the downward arrow next to the word LIBRARY
  • e) Click on Authorize Computer

How to convert .kfx to PDF/ePub/RTF/TXT format?

if you want to read .kfx ebook in iPad or other device, you must convert it to pdf/epub/txt format that support by other device, .kfx is new format is released with the Kindle paperwhite 3, this is step to step guide to convert Kindle DRM ebook to PDF ePub Html word Text format, the key thing is download ebook in amazon app “Kindle for PC” in windows, or Kindle for Mac in Mac.

1 Download and install amazon app Kindle for Pc in windows, or “Kindle for Mac” in app store,

2 Run Kindle for Pc, or Kindle for Mac, goto “Library->All items” in Kindle app,

find ebook title right click, select “Download” item to download ebook.

3 Download our converter Kindle Converter or Kindle DRM Removal, run converter,

Kindle Converter is tools to convert Kindle ebook to EPUB/PDF/TXT/RTF format, it support Kindle DRM ebook downloaded in Kindle for PC and Kindle for Mac.

4 Click “Kindle” button to import ebook file download by Kindle Pc,

you can import “new ebook” only, there is setting at bottom,

5 Click Convert button to start job, wait until all job done, if everything goes well, new ebook files will be created in output folder, click Open Output folder to find them .

6 Sending your new e-book file to your e-reader .

How to read Kindle ebook on Kobo?

You maybe are looking a way to read amazon Kindle ebook on Kobo ereader,  it isn’t easy because all ereader don’t support Kindle DRM protection, this is tutorial that how to read Kindle book on Kobo reader.

Difficulty Level: Easy

What You Need:

1). Install and run Kindle DRM Removal to remove drm protection from kindle books, it is easy to use, just click “remove” button, a new azw file will created without DRM.

2). Add new .azw file to Calibre, just drag azw file into Calibre, then convert azw format to epub format that support by moset e-reader device, include Sony e-reader. detail look How to convert Kindle AZW to EPUB/PDF/RTF/TXT format?

3) Once you got .epub file, upload to Kobo e-reader, enjoy reading.


The Kobo eReader is a Canadian-based e-book reader. The original version was released in July 2010 and was marketed as a minimalistic alternative to the more expensive e-book readers available at the time. There are apps available for BlackBerry, iPhone, Android, and palm pre.

It is currently sold at Indigo/Chapters, Wal-Mart, Best Buy Canada, and Future Shop in Canada, Whitcoulls in New Zealand, Angus and Robertson and Borders in Australia,and at Borders and Wal-Mart in the United States. Fifty-eight percent of the Toronto-based company is currently owned by Indigo Books & Music Like most e-book readers the Kobo uses an electronic ink screen.