1. When you click any link in the myTC portal that contains financial information, you will now be prompted to verify your identity by receiving a call on your work phone or a call, text message or push notification on another device of your choosing (such as your mobile phone).

2.  When prompted, select the Settings button to enter into the Duo Settings menu.

3. Click on My Settings & Devices.

4. Select your mobile device as the Default Device drop-down and click Save.

5. If you need to setup a new device in Duo, please follow the instructions here:
https://teacherscollege.screenstepslive.com/s/14864/m/74240/l/836272-how-to-add-a-new-mobile-device-in-duo