You'll need an app like Google Authenticator (<x-filament::link href="https://itunes.apple.com/us/app/google-authenticator/id388497605" target="_blank">iOS</x-filament::link>, <x-filament::link href="https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2" target="_blank">Android</x-filament::link>) to complete this process.