Once logged in, you can set up different sign-in options from scratch.
The Windows Hello setting was turned on automatically during the clean installation of Windon some computers with Windows Hello compatible devices. If you couldn’t log in with any sign-in options, you can use a bootable PCUnlocker CD to reset your forgotten Windows 10 password or create a new admin account. Windows Hello is a more personal, more secure way to get instant access to your Windows 10 devices using fingerprint, facial recognition, or a secure PIN. You’ll notice that the missing password sign-in option is back and you can now log in to your Microsoft account with a password instead of Windows Hello.
On the right side, turn off the “ Require Windows Hello sign-in for Microsoft accounts” option so that Windows 10 will not restrict Microsoft accounts to use Windows Hello sign-in only. How to Fix: Windows 10 Password Sign-in Option Missing If you would like to log into Windows 10 with a traditional password, here is how you can get the missing password sign-in option back to the login screen. Microsoft has been pushing Windows Hello sign-in for Microsoft accounts on Windows 10 computers for eliminating passwords.
No password prompt at Windows login screen? After installing Windows 10 updates, you may find the option to sign in with Microsoft account password is no longer there, and only Windows Hello Face/PIN/Fingerprint/Security Key are available.