You can change your iCloud account on an iPhone with a few taps, and you can also use a separate account for your iTunes & ...
You can create an Apple ID on your iPhone or Mac through the App Store or by using a browser on a PC or other devices.
To start using a brand-new Apple device — such as an iPhone, iPad, Apple Watch, Apple TV, or Mac computer, among others — you need to set it up using an Apple ID. This pertains to your personal ...
Those who have an iPhone, iPad, iPod touch, Mac, or the Apple TV will probably need to create an Apple ID to ensure that their personal data is secure, get device-specific customer support when needed ...