How to update an iphone to the IOS7?

How do you update an iphone to the IOS7?

Plug in phone
go to SETTINGS>GENERAL>SOFTWARE UPDATE

Settings>software update>install

Settings - General - Software update -install

OR

Plug your phone with your pc/laptop (make sure you have the latest itunes) and a prompt will appear for you to download and install the update (Make sure you are not jailbroken)

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