Activate Duo Mobile via activation link

Click on Email me an activation link instead".
Enter a preferred email address in the input field. The email you enter must be accessible from your mobile device. Once you've done this, click on Send Email.
Access the inbox of the email you entered in Step 2, you should see an email from Duo Security. If the email is not there, please check your junk mail folder. The email will include an activation link, once you click on this activation link it will open Duo Mobile. You'll know you're registered when you see a Deakin University account that provides a 6-digit pin.
On your Browser, click on Continue to proceed to the next step.
Select the drop-down box to select "Automatically send this device a Duo Push" and select Continue to Login.