You will need a Two-Factor Authentication app.
You can download other authentication applications from the App Store, Google Play or by searching online.
Want to set up Two-Factor Authentication via SMS? Tap here.
Want to set up Two-Factor Authentication via Email? Tap here.
Tap on Settings.
Tap the box near Enable 2FA via an Authenticator App.
Once you have download the app you will be using, you can scan the QR code and input the code shown to you on the app.
Scan the QR code.
Input the "6 digit-code" that is in your App.
If you are having an issue scanning the QR code, tap:
"Unable to Scan?"
Then input the code on the screen onto your Authenticator App.