Please follow the steps given below:

1. Go to the App Store on your device
2. Download the app named "Google Authenticator" or "Microsoft Authenticator."
3. Log in to the Kodak App on the phone
4. Go to Account Setting -> User Profile -> Two-Factor Authentication
5. Turn ON the Two-Factor Authentication
6. The Kodak App will lead to the Authenticator App.
7. Copy the code back to Kodak app.

This will activate the 2FA feature.

Please find a comprehensive video clip at this link.