Generating ebooks for Kindle devices requires a free utility called KindleGen. Vellum uses this program to create the final, Kindle-ready .mobi files that you can load on your Kindle device or upload to Amazon. Even if you’ve previously installed KindleGen on your computer, it’s important to follow these instructions so that Vellum will always be able to locate this utility.
Until you download and install KindleGen, you will see a message like the following before generating ebooks for Kindle:
After you press the Install button, you’ll see this window:
After the download finishes, Vellum will show you the message:
KindleGen Installation Complete!