: Primarily used for Windows 7 (Starter, Home, Professional, and Ultimate), though it also supported some versions of Windows Vista and Windows Server.
Windows Loader 2.2.1 by Daz is a well-known, legacy application designed to activate various editions of Windows, most notably Windows 7. It achieved this by injecting a into the system before Windows booted, effectively "tricking" the operating system into believing it was running on genuine hardware with a pre-activated OEM license. Key Features and Compatibility Activation Method : It utilizes a BIOS emulation technique.
Use Bootrec.exe in the Windows RE to troubleshoot startup issues