1. On your smart phone download and install the Microsoft Authenticator app for Android, iOS or Windows Phone
2. Once installed on your smart phone go to a computer then open a browser then login to http://portal.office.com. You will be promoted "More information required". Click "Next".
3. Be sure to have the below settings chosen. Then click "Set up".
4. On the Microsoft Authenticator app click the + sign then allow the app to use your phone's camera. Then scan the QR code. Then click "Next".
5. Click "Next" and follow the rest of the authentication prompts.
That's IT!