1. Connect your Kindle to your computer with the USB cable.
2. Your Kindle appears in the same location on your computer that external USB drives appear.
   • Windows: Your Kindle appears in the Computer or My Computer folder.
   • Mac: Your Kindle appears on the desktop.
3. Open the Kindle folder, and then open the documents folder.
4. Locate the downloaded file on your computer, and then drag and drop the compatible file into the documents folder within the Kindle folder.
5. Safely eject your Kindle from your computer.
6. For touch-screen devices, make sure that you are on the Downloaded tab to view your downloaded Kindle content.

Here's the Kindle version of Wish, in case you didn't download it from the front page. Just right-click and 'save as.'

And here's the Kindle version of Life: A User's Manual, in case that's what you're here for.