Turn on your Apple Watch by pressing and holding the side button until the Apple logo appears
Bring your iPhone close to the Apple Watch
Make sure Bluetooth is turned on on your iPhone
Open the Apple Watch app on your iPhone
Tap Start Pairing
Hold your iPhone over the animation on your Apple Watch
Follow the on-screen instructions on your iPhone and Apple Watch
Choose Set Up for Myself or Set Up for a Family Member
Sign in with your Apple ID if prompted
Choose your settings, including wrist preference and passcode
Set up Apple Pay if desired
Choose which apps and settings to sync
Wait for the setup process to finish
Keep your Apple Watch and iPhone close until pairing is complete
Put on your Apple Watch and adjust the band for a secure fit