@Porat Arzouan Currently this is not possible. You cannot have multifactor via Authenticator app while Windows login. Microsoft does not provide any options like this. There are few third parties which allow doing this using some custom tool. You can read more on this thread where I answered a similar scenario.
All MFA are targeted to Applications/resources and none of them target at Windows login via conditional access.
Windows Hello for business with Biometric capability can be used in this place and aligns with Microsoft suggestion provided your hardware supports this.
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