(If you have a pc, download Send to Kindle for PC, if you have a mac, download Send to Kindle for Mac, etc). Download the appropriate Send to Kindle for your device.It is an official Amazon program that will quickly get mobi and pdf ebook files from your computer to your Amazon Kindle account. If you are on a computer (Windows or Mac), there is a program you can download called Send to Kindle. If you are having trouble using the Prolific Works App to download to your Kindle app, click here. If that doesn't work, you can send files to your Kindle using your email or transfer the file with a USB cord. We recommend first trying to use Amazon's Send to Kindle desktop app. mobi file, there are three ways to add it to your Kindle library. Adding Ebook Files to Kindle and Kindle App from Your ComputerĪfter downloading a.