Well, to install iTunes on your computer you don't have to use your iPhone. You just go to the Apple website, and search iTunes, and then you can just download it from there. If you want to sync your iPhone with iTunes to back up your content, you just sign in with your Apple ID (if you have an iPhone you should already have one), then plug in your iPhone and press sync.
You need to connect to to the computer that is authorised for your iPhone and update via iTunes.
Itunes on the iPhone is preinstalled.
Sync your iPhone to iTunes on our computer
Apple only allows us to import iTunes to iPhone, not add iPhone to iTunes library. If you want to add your files from iPhone to iTunes, you have to use a third party program.
Using the usb cable it comes with you connect it to your computer and open iTunes. From there click "Update" and it will download and install the newest iPhone OS version for you.
YouTube is a web based video site but iTunes is a computer based music storage and play program you can install on your computer. The only changes to the security settings you will need to do for iTunes are the same for any program you want to add to your computer.
activate the phone first and then sync it with your itunes on your computer
if you can access itunes on your phone you can download music through there ,but if not you can use itunes on your computer , download them through there and synchronise your iphone with your computer.
yes, from itunes on your computer
Download iTunes
itunes will back up your apps when you sync your iPhone if the computer is authorized (store-authorize computer in itunes).
Via iTunes, add the .ipa files to iTunes Library and sync with the iphone