Whatever the scenario, to keep your Microsoft account locked down and as well protected as possible, you should only connect it to devices you're using regularly.

Learn how to see the list of all Devices having access to your Microsoft account and how to add or remove a device in Windows 11.

You can now link your devices and apps with your Microsoft account using the link code without requiring you to enter your account details manually.

Remove a device to make room for this new one. To download an app from the Microsoft Store, you need to add a Microsoft account to it.

Getting a new phone can be exciting, but if you use the Microsoft Authenticator app to log in, you'll want to transfer it to your new device properly.