Kindle ebooks don’t support other devices, etc Nook, user need to convert kindle format ebook to epub format file, then read it in other ereader device.
Download your kindle books in amazon app Kindle for Mac/PC
If you don’t install amazon app Kindle for PC, please download Kindle for PC/Mac and launch it at first. And register it with your Amazon account.
run Kindle for PC,Go to library of the application software sidebar
right-click ebook title to download it to the local computer.
Convert Kindle ebook to ePub format in Kindle converter

3). Run Kindle Converter, click Kindle button to add all azw files into file list in converter.
You also can drag azw file from windows explorer to converter, azw file saved in “My Kindle content” folder.
- For Windows, files is saved in “My Document\My kindle content” folder.
- For Mac, it is “~/Library/Application Support/Kindle” folder.
4). Select output format in Output Section button, you can select pdf,epub,rtf, htmlz,text format in drop list, change output folder if you want.
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 .