Using tools like "Windows 7 Developer Activation KB780190" exposes your system and data to severe risks.
Joining the Insider Program grants free access to preview builds of modern Windows operating systems for testing and development purposes.
If you are considering using KB780190 or any tool like it today, you must be aware of the severe downsides. Using unlicensed activation tools is simply a matter of ignoring Microsoft's End-User License Agreement (EULA); it actively creates technical vulnerabilities.