It allows you to install Windows onto any drive, including VHDs, without using the standard Windows Setup.
While you may find "WinNTSetup" repositories on GitHub, they are typically:
specifically designed to be applied alongside WinNTSetup to customize the Explorer context menu and system defaults. Advanced Installation Guides Custom WinPE & Driver Injection
: A widely used PowerShell utility for debloating and optimizing Windows post-installation.