1. Login to Mytaxflow by using your username and password. 
  2. You will be presented with a QR-code. Scan this QR-code with the Authenticator App from Microsoft or Google. 
  3. After scanning, click the button to go to the next screen and again fill in the username and password. 
  4. Then it will request the verification code which you can find in your Authenticator App. 
  5. Fill this in and click on the submit button, now you are logged in with two-factor authentication.