To authorize using the Google Authenticator application, you need to install this application on your smartphone, register it to the email address associated with your OpenCartForum account, select “Google Authenticator QR code” as the two-factor authorization method, scan the QR code using this application, and In the code entry field in the authorization window, enter the six-digit code from the application. Please note that this code is valid for 30 seconds from the moment of scanning; after the specified time has elapsed, the application will create a new code that you need to enter.