Chew WGA v0.9 was a historically significant tool in the cat-and-mouse game between Microsoft and software pirates after Windows 7's release. However, its use in the modern computing environment is both risky and unnecessary.
Because it completely strips out or breaks the activation subsystem rather than emulating a real license, it earned the title of a "WGA Remover." Critical Risks and Vulnerabilities Windows 7 WGA Remover - Chew WGA v0.9.exe