**International Devices will only have the "Send Me A Push" authentication method. You will not have the option to receive a text message.
Select your Country from the Pull-down menu and Enter Your Phone Number.
Choose Platform. Choose your device's operating system and click Continue.
Install Duo Mobile. Duo Mobile is an app that runs on your smartphone and helps you authenticate quickly and easily. Follow the platform-specific instructions on the screen to install Duo Mobile. After installing the app return to the enrollment window and click I have Duo Mobile installed.
Activate Duo Mobile. Activating the app links it to your account so you can use it for authentication. On iPhone or Android activate Duo Mobile by scanning the barcode with the app's built-in barcode scanner. Open the Duo Mobile App to complete this step. Follow the platform specific instructions for your device:
The "Continue" button is clickable after you scan the barcode successfully.
Your device is ready to approve Duo authentication requests. Click Send me a Push to give it a try. All you need to do is tap Approve on the Duo login request received by your phone.