You can also sign up for SMS (text message) authentication. The SMS authentication will act as a backup in case your Google Authentication app malfunctions.
- Enter your mobile phone number into the box
- Select "Send SMS" A text message will be sent to your phone
- Once you receive the verification code, enter it in the verification code box on the ACF website
- Then select "Verify and Save"
You should now have full access your ACF account. You will also receive an email confirmation that TFA has been configured for your account.