Using Chew WGA is a violation of the Microsoft Software License Terms. Distributing or using "activation bypass" tools is considered software piracy. Furthermore, since Microsoft no longer provides security updates for Windows 7 to the general public, using an unactivated, patched version of an obsolete OS leaves your data extremely vulnerable to exploits like EternalBlue or WannaCry. Modern Alternatives
If you are looking to activate Windows, the safest and most reliable methods are: Chew WGA 0.9 The Windows 7 Patch.zip
Since it modifies core system files, it can cause "Blue Screen of Death" (BSOD) errors or boot loops. Using Chew WGA is a violation of the
Allowing the user to download Windows Updates that would otherwise be blocked. Security Risks and Malware Concerns using an unactivated
Disabling the "This copy of Windows is not genuine" watermark.