1. Download Google Authenticator in your mobile. It`s available for iPhone and Android.
To Generate the verification code, open Google authenticator
Tap the "+" icon in the buttom-right of the app. Scan the image to the left, using your phone camera.
If you can not scan the code, insert the following secret key in your google authenticator app to generate a verification code : UD7YF5BUPUKVX2ZV