The 2 Factor Authentication (2FA) is a one-time code that provides an additional level of protection to your Link4 account. When 2FA is activated, you will receive a code in your email each time you attempt to log in to your Link4 account.
To activate your 2FA, simply:
1. Login with your email and password
2. Go to Settings
3. You can find the Profile account section and select settings > Configuration
4. Answer Yes to Two-factor authentication and finally save changes.