I just don't know
First be sure you have an Apple ID and then create an icloud account.
To manage/create the Apple ID:
Then go to Settings>icloud, sign in and turn on the features you want.
Go to settings/iCloud/sign in with your apple or create new one/turn on apps you want to sync with icloud
This is a pretty good guide... http://www.imore.com/ultimate-guide-icloud
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