To enable the passwordless feature for your Microsoft account, you first have to add the Microsoft Authenticator app. After that, you will be able to enable the passwordless mode for your account.
In November 2018, Microsoft announced that it would do away with passwords for Microsoft account sign-ins on Edge by offering alternatives including biometric authentication, FIDO-2 compatible keys, ...
What just happened? Despite still being one of the most popular login methods, developers are gradually replacing passwords with newer, more robust authentication technologies. The "next generation" ...