The next version of Windows 10 will support Microsoft accounts without password. When you log in, Microsoft simply sends an SMS code to your phone number. All of this is part of Microsoft's stated goal: "a world without passwords. "
This feature is available now in Initiate build 18309. It will be stable and accessible to all in the next version of Windows 10, named code name. 19H1 and available around April 2019. Login without password debuted for Windows 10 Home in Build insider 18305but are now available on all editions of Windows.
Here's how it works: You can now create a Microsoft account without a password. Instead, you simply provide your phone number. When you log on to Windows 10 with this phone number, Microsoft sends you a code that you enter on the login screen. After that, you can use Windows Hello configure a connection method by secret code, fingerprint or face. You never need to type a password – your account does not even have one! And you do not need to enter a text-sent code every time you log in. You only need to receive a code on your phone when connecting to a new PC.
To use this feature on the latest Insider versions of Windows, you will need a Microsoft account without a password:
If you do not already have an account with a phone number without a password, you can create one in a mobile application such as Word on your iOS or Android device to try it. Just go to Word and register with your phone number by entering your phone number under "Sign Up or Register for Free".
This latest release also provides a simplified Windows Hello PIN reset experience and Narrator enhancements.