How to use the Apple Notes app on iCloud and sync your notes across all of your devices

You can use Notes on iCloud through your iPhone, iPad, or Mac, or in a browser using iCloud's website, to create, edit, and ...

How to use Sign In with Apple to log into websites and apps with your Apple ID

To use Sign In with Apple, you simply need to select the option when asked to log into a participating app or website.
SlashGear

How To Change Your Apple ID In The App Store

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 ...
MacRumors

Apple Expands Digital ID Support to Web Browsers in iOS 26

Apple is adding a "Verify with Wallet on the Web" option in iOS 26 that can use a state-issued license or Digital ID to verify age and identity in a private and secure way. This is already an option ...