Open Two-step verification in your account menu. Choose an authenticator app (scan the QR code) or codes by email, confirm with a code and save your recovery codes somewhere safe. From then on you sign in with your password and a code.
Open Two-step verification in your account menu. Choose an authenticator app (scan the QR code) or codes by email, confirm with a code and save your recovery codes somewhere safe. From then on you sign in with your password and a code.