Use this when you get a new phone or move to another app.
1.
Next to Authenticator app, click Change app. You may be asked to confirm it's you.
2.
Scan the new QR code with the new app.
3.
Type the code it shows and click Save.
Your old app keeps working until you click Save. If you click Cancel, nothing changes. After Save, only the new app's codes work. We email you to say a new authenticator app was added.
You choose the name when you add a passkey or key, and the page doesn't offer a way to change it later. To use a different name, add the passkey or key again under the new name, then remove the old entry.