Make sure your iPhone is updated and Bluetooth is on
Turn on your Apple Watch by pressing and holding the side button
Bring the Apple Watch close to your iPhone
Wait for the pairing screen to appear on your iPhone
Tap Continue on the iPhone
Hold the iPhone over the Apple Watch animation to scan it
Tap Set Up as New Apple Watch or Restore from Backup
Sign in with your Apple ID if prompted
Choose your settings, including wrist preference and passcode
Follow the on-screen instructions to finish setup
Keep the devices close together until pairing is complete