Two-factor authentication
Two-factor authentication (2FA) adds a second step to your login: after your password, you enter a rotating code from an authenticator app on your phone. Even if someone learns your password, they can’t sign in without your phone.
Turn it on
Section titled “Turn it on”-
Go to Account → Security and start setting up 2FA.
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Scan the QR code with an authenticator app (Google Authenticator, 1Password, Authy, or similar).
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Enter the 6-digit code the app shows to confirm, and it’s on.
From then on, you’ll enter a code from your app each time you sign in.