Run the script. This allows your Win7 to install Extended Security Updates (legitimately) until late 2026 if you have an LTSC key.
Use a genuine Windows 7 Professional or Ultimate ISO from Microsoft’s official MSDN archive (via the Wayback Machine). Verify the SHA-1 hash against known values. windows 7 remastered
If you simply miss the look of Windows 7 but need a secure, modern OS, consider these instead of "Remastered": Run the script