Add your phone to use Find My Phone, check its Reset Protection status, repair it, and get support on it.
To add a Windows phone:
Go to Settings, tap Email + app accounts > Add an account.
Windows 10 PCs
Add your PC to use Find My Device and get support for it
To add a Windows 10 PC:
1. Go to Settings > Accounts > Your info
2. Select Sign in with a Microsoft account instead