When Microsoft released Windows 7, it implemented WGA to combat software piracy. If a system failed online validation or lacked a valid Product Key, WGA would trigger a series of restrictions: Changing the desktop background to solid black.
Chew WGA (Windows Genuine Advantage) is a legacy software cracking tool designed to bypass the activation mechanisms of Windows 7. chew wga windows 7 ultimate 64 bit
Understanding Chew-WGA for Windows 7 Ultimate 64-Bit: Risks, Realities, and Secure Alternatives When Microsoft released Windows 7, it implemented WGA