Apple products have become very popular and many people have more than iPhone, or iPad, or iPod. Now when you have more than one of these devices you want them all setup to your icloud device. First you must sign into your iCloud account using your Apple ID, then turn on the iCloud features you want to use. You can setup multiple device easily by going to this site http://www.apple.com/icloud/setup/ and then you may need to download the icloud app depending on if your using a windows machine or not. Once you have configured iCloud it will be begin pushing information to each device.