At the desktop login window, select FIDO U2F as the authentication method
If you have not inserted a FIDO U2F key into a USB port of your PC or laptop, then you will be asked to insert a FIDO key
Now, enter your password and press the ENTER key
If your FIDO U2F key is protected with a PIN, then you will be prompted to enter the PIN
Next, you will be asked to touch the FIDO key
As soon as you touch the FIDO key, you will be able to login
