Enabling Google Authenticator 2FA consists of the following steps:
Visit your account Security settings and open the the “Two-Factor Authentication” drop-down menu, then select the "SETUP" button below Google Authenticator:
Next, scan the QR code with your 2FA app on your mobile device and enter the 6-digit pin provided by the app in the text box above the "ENABLE" button:
You should see:
Next, you should receive an email like this:
Open the link in the same browser you used to log into your Bitfinex account and you will receive the following notification:
If any of these steps fail, or if you see any error notifications returned, please provide exact contents of the notification/error and a screenshot if possible to email@example.com.