The first thing you should be clear about is what Kindle model you have. If it is a 3rd generation Kindle or later, follow these steps after making sure that it is connected wirelessly to a network. To register a Kindle, you must connect your device with the internet through Wi-Fi because to register you need to create account of kindle on Amazon portal. To Register Kindle Fire there are very simple steps if you need helping hand then dial toll free number of Kindle.Register Kindle Fire