Set up Find My so that you can locate a lost Apple device or item — such as your paired AirPods, Apple Watch, or a personal item with an AirTag attached.
How to turn on Find My for your iPhone or iPad
Open the Settings app.
Tap your name, then tap Find My.
If you want friends and family to know where you are, turn on Share My Location.
Tap Find My [device], then turn on Find My [device].

To see your device even when it's offline, turn on Find My network.*
To have the location of your device sent to Apple when the battery is low, turn on Send Last Location.
If you want to be able to find your lost device on a map, make sure that Location Services is turned on. To do this, go to Settings > Privacy & Security > Location Services, and turn on Location Services.
How to add your AirPods, Apple Watch, or Beats product to Find My
If your AirPods, Apple Watch, or supported Beats product are paired with your iPhone, they're automatically set up when you turn on Find My iPhone.
To make sure that you can find your devices even if they're powered off or disconnected, check that Find My network is turned on.
How to add an AirTag or supported third-party product to Find My
Learn how to set up an AirTag or supported third-party product with Find My
How to add Apple Pencil Pro to Find My
Learn how to set up Apple Pencil Pro with Find My
If you unpair your Apple Pencil Pro from your iPad then pair it again, you also need to add it again in Find My.
How to add an iPhone Wallet to Find My
Learn how to set up an iPhone Wallet with Find My
How to turn on Find My for your Mac
Choose Apple menu > System Settings.
Click your name, then click iCloud.
Click See All.

Scroll down, then click Find My Mac.

Click Turn On, then click Allow when asked to allow Find My Mac to use the location of your Mac.

If you want to be able to find your lost device on a map, make sure that Location Services is turned on: Choose Apple menu > System Settings > Privacy & Security > Location Services. Next to System Services, click Details and make sure that Location Services is turned on for Find My.