To secure your account with mult-factor authentication, also called two-factor authentication, MFA, or 2FA you will need a phone on your app. Popular apps include Google Authenticator, andOTP, and Authy. You can find these in your phone's app store.
Once you have the app,
Sign in as a Specialist
Right-click the sytem tray icon
Choose Security > Multi factor authentication
You'll be shown a QR code. Scan the QR code with your MFA app. The app will generate a random number for you. Type the random number into the field provided, then Activate Multi-factor authentication.