Read, sync, annotate and manage your Kindle Books with Kindle for PC
Kindle for PC is a free program that will let you read free or not Kindle books on your computer.
Features: Access your Kindle books even if you don’t have your Kindle with you * Automatically synchronizes your last page read and annotations between devices with Whispersync
Create new highlights, notes, and bookmarks and manage those created on your Kindle * Full screen reading view, color modes, and brightness controls.
If you have a PC and you are given some strange .mobi files, this is a free program you can install to use them.