Step 7: After you confirm it is correct, select Send me a passcode
Step 8: You will receive a text message from Duo with a 6-digit passcode. On your computer, enter that passcode in the box shown on the screen, then click Verify to continue.
Step 9: Confirm that Duo Mobile is installed on your phone, then click Next on your computer. A new page will appear showing a QR code. Keep this page open because you will need to scan the QR code with your phone in the next step.
Connecting Your Phone with Duo Mobile