Log in with two-factor authentication
Two-factor authentication requires you to enter a verification code in addition to the user name and password to access FA. If you have two-factor authentication turned on, you need a an authenticator app (such as Google Authenticator or Free OTP) installed on your mobile phone. You can find authenticator apps in App Store and Google Play.
To log in with two-factor authentication:
Enter your username and password on the FA login page.
Open your authentication app. Enter the verification code from the app on the FA screen.
You are logged in to FA.