Sign in to your Microsoft account accessing https://account.microsoft.com by supplying your username into the logon screen, but instead of supplying your password, click on the link "Sign in another way",
You are then prompted to select your alternative sign-in method, select the option "Face, Fingerprint, PIN or security key";
Insert your Fido2 key into an available USB port, then select the option "Security key";
At the "Security key PIN" prompt, supply the PIN code for your Fido2 key, then click ;
You will now be asked to touch the Fido2 key (in the case of a Fido key with a fingerprint reader you will need to swipe your finger on the key);
Once the key has been touched you will be logged in to your Microsoft account.




