authenticator

What is 2FA or two-factor authentication?

Troubleshooting 2FA: my app is empty, how do I get my accounts back?

Troubleshooting 2FA: I'm trying to log in but my codes are wrong. Now what?

Troubleshooting 2FA: I am locked out of my Gmail/Facebook/Discord/etc. How to I get in?

How to use 2FA or two-factor authentication?

How to stop using 2FA or two-factor authentication?