Since these tools are distributed through unofficial channels (torrents or "crack" sites), they are frequently bundled with trojans, miners, or spyware. System Instability:
Windows 7, like other Windows operating systems, requires activation to ensure it's a genuine copy. Activation helps Microsoft verify that the copy of Windows is legitimate and hasn't been installed on more devices than the license allows. Chew-WGA 0.9 Windows 7 Patch Activator