It uses "Volume Licensing" emulation to convince the operating system that it has been verified by an official organizational server.
: Compatible with Windows 8.1 Professional, Enterprise, and Core editions. Activation Period : Standard KMS activation lasts for Kmsauto Windows 8.1
Purchase a legitimate key, then activate by going to (or Control Panel → System → Windows Activation). It uses "Volume Licensing" emulation to convince the
KMSauto is an activator program designed to bypass Microsoft's product activation requirements for Windows and Microsoft Office products. The "KMS" in its name stands for – a legitimate Microsoft technology used by large organizations to activate multiple computers on a local network without connecting each one to Microsoft's servers. Kmsauto Windows 8.1