It can be integrated into Windows installation media for automatic activation during the setup process. Common Troubleshooting Steps
Microsoft Windows employs a robust activation mechanism known as Windows Activation Technologies (WAT) to verify the authenticity of the operating system. To encourage adoption among Original Equipment Manufacturers (OEMs), Microsoft allows manufacturers to pre-install Windows on devices with an embedded license key and certificate. This creates a "SLIC" (Software Licensing) table in the BIOS.
: Improper installation can lead to boot freezes, "No SLIC" errors, or the system failing to start entirely.
and some older versions of Windows Server. It works by simulating a genuine license, tricking the operating system into appearing "genuine" without requiring a valid product key. Decker Law