Set up Face ID on iPhone - Apple Support

Use Face ID to unlock iPhone, authorize purchases and payments, and sign in to many third-party apps.

Add, edit, and remove widgets on iPhone - Apple Support

How to Turn On Face ID for Apps on iPhone

Unlock your iPhone with Apple Watch when you're wearing a face mask or sunglasses - Apple Support

How to chat live with Apple Support on the web or your device

How to use Face ID on an iPhone

If Face ID isn't working - Apple Support

If you forgot your iPhone passcode, use your Mac or PC to reset it - Apple Support

Set up your iPhone or iPad - Apple Support

Control access to information on the iPhone Lock Screen - Apple Support