A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
No, because that would invalidate the purpose of multi-factor authentication and make your account insecure
https://support.microsoft.com/en-us/authenticator/microsoft-authenticator-faqs
Why isn't Microsoft Authenticator available for PC or Mac?
Microsoft Authenticator is not available for desktop computers because authenticator apps are typically designed for smartphones for two main reasons:
- Security: Having the second factor of a security question on a separate device enhances security. If both factors (password and authentication) are on the same device, it would be easier for an attacker to compromise both.
- Availability: Mobile devices are almost always with the user, making them convenient for authentication purposes. Desktops, on the other hand, are not as portable. Having your authenticator only on your PC means you couldn't sign in away from your home or desk.