On your phone, in the Microsoft Authenticator app, press the three dot/plus icon in the top right hand corner.
Pick "add account", "other account",
then allow the app to use the phone's camera.
Scan the QR code in your laptop's web browser with your phone.
Once successfully added, make a note of your emergency scratch code. You will need this in case you lose your mobile phone. Then click "click here to continue". Don't click Unbind TOTP key
You will be redirected to the virtual office page. This means you have successfully setup multi-factor authentication. You can now close this browser window and go back to the NetExtender application
Testing
Sign in to NetExtender - this time you will be prompted to enter the code from the app. Enter the code and click "ok" and NetExtender will connect.
Congratulations you have now setup multi-factor authentication for NetExtender! If you have problems please submit a ticket by clicking the button at the bottom of the page, or via email in the usual way.