Plug in the FIDO key (If it is already plugged in, you need to unplug it and re-plug it in)
Touch the FIDO key when its LED light flashes
Now, you will see the prompt below:
Touch the FIDO key again when its LED light flashes
Finally, you will see the prompt below:
Please take note of the PIN and send it to the user.
Now, the user will be able to use this FIDO key to sign in to their account straight away without having to do anything extra.