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Good day! I am Independent Advisor Paul R. and also a Microsoft/Windows user like you and I am glad to be able to provide assistance to you today. I understand that you are looking to use the security key feature on your machine that is running Windows.
Yes, there is a dedicated USB device for you to be able to use the security key.
You can check out the link below for further information about it as well.
https://www.microsoft.com/xx-xx/microsoft-365/b...
https://support.microsoft.com/xx-xx/help/446321...
Regards,
Paul R.