NOTE the following applies for Microsoft Account (aka MSA, aka not corporate account like Office 365/Azure account)
If you are already using Windows 10 1809 (aka Windows 10 October 2018 update), you can now setup Windows Hello to use FIDO2 key.
FIDO2 key are physical security key to avoid you enter your password.
To enable it, go to your Microsoft Account page (https://account.microsoft.com/account) and access the Security\More Security options from Windows Edge (this does not work on Internet Explorer or Google Chrome)
Then click on the Set up a security key and follow the steps to enable your FIDO2 key.