How do I turn on two-step sign-in?

Go to Security and press Turn on two-step sign-in. Scan the QR code with an authenticator app and type the 6-digit code it shows. After that, signing in needs your password and a code.

Steps

1. Open Account → Security.
2. Press Turn on two-step sign-in.
3. Scan the QR code, or type the key, in your authenticator app.
4. Enter the 6-digit code and press Turn on.
5. Save the backup codes you're shown.

Related questions

• What if I lose my phone with my authenticator?
• Can I sign in with a passkey?
• How do I see where I'm signed in, or sign out other devices?
• It says too many failed sign-in attempts.