Use Find My iPhone on iCloud.com on your computer
Find My iPhone 
on iCloud.com helps you locate your Apple devices using information stored in iCloud.
Note: If you have a Mac with macOS 10.15 or later, you can also use the Find My 
app to locate your devices. See Use Find My on your Mac.
What can you do in Find My iPhone on iCloud.com on your computer?
After you set up Find My [device] on your iPhone, iPad, iPod touch, Mac, Apple Watch, or AirPods, you can do the following:
Sign in: View the location of your devices by signing in with your Apple ID and password, even if you lost your trusted device. See How to sign in to Find My iPhone on iCloud.com.
Locate devices: See the location of your iPhone, iPad, iPod touch, Mac, Apple Watch, or AirPods on a map.
Play a sound: Play a sound on a lost device to help you find it.
Mark a device as lost: Use Lost Mode to protect a lost device so that others can’t access your personal information. Display a custom message on the device’s screen, telling people that the device is lost or how to find you. Once you find the device, you can turn off Lost Mode.
Erase a device: Remotely erase all of your personal information from the device. Activation Lock remains on to protect it.
Remove a device from your account: If you’re no longer using a device, or you sold it or gave it away, remove it from your account so it doesn’t appear in Find My iPhone.
If you’re using iCloud.com on your iPhone or iPad, see Use Find My iPhone on iCloud.com on your iPhone or Use Find My iPhone on iCloud.com on your iPad.
Get started
To use Find My iPhone on iCloud.com, go to icloud.com/find and sign in using your Apple ID. Be sure you use a web browser recommended in the Apple Support article System requirements for iCloud.
If you’re using another feature on iCloud.com, you can switch to Find My iPhone by clicking the feature’s name in the top-left corner of the iCloud.com window.
If you don’t see Find My iPhone on iCloud.com on your computer, your account just has access to iCloud web-only features. To use Find My iPhone and other features on iCloud.com, set up iCloud on your iPhone, iPad, iPod touch, or Mac.