How to set up two-factor authentication on your online services. Using 2FA to protect your accounts is a lot safer than using just passwords, especially if you use a separate authenticator app.

If your authenticator app doesn’t have any backup or syncing features, you can make the change manually: Visit each site that you have a 2FA code for, log in using your old phone, deactivate 2FA ...

Here's how to enable it. ... Google Authenticator, the app that gives your accounts additional security by generating timed codes for two-factor ... Amazon Prime Day 2025 . Apple WWDC . CES .