Using unauthorized tools to circumvent licensing violates Microsoft’s Terms of Service and may be illegal in many jurisdictions. How RemoveWAT Works
: Because it modifies or "hacks away" core operating system files, it can cause system instability, crashes, or conflicts with security software like antivirus programs. Discontinued Support Windows 7 Activator RemoveWAT v2.2.5.2 by Hazar
By stripping out these files, the system no longer checks for a valid license. it can cause system instability