Download Google Authenticator on your Mobile Device,
Next, navigate to the Profile menu, then select My Settings.
Select Enable.
Open Google Authenticator on your mobile device.
Scan the QR Code and enter the 6-digit code displayed.
Either Download or Copy your security codes then select Continue.
Select Done to complete the process.
Select Ok within the Two-factor authentication is enabled Success Message.
Make any other changes as required, then select Save.