Blackbird is a free utility designed to alleviate spending hours on  tweaking your privacy settings by using some known and less-known  techniques to fully disarm Windows without leaving behind even the  smallest possible footprint. There are other tools that claim to  block Windows spying but they are cumbersome to use and not as powerful  or are limited in scope. So the author took Windows apart, piece by  piece, analyzed web traffic, system calls, file changes,etc., compared  different configurations, designed and built a stand-alone tool and  spent hundreds of hours on beta testing so anyone can use it and it gets  the job done right. Block Windows spyware, on both the  application and network level, with dynamic filtering and without  editing the HOSTS file or firewall settings as well as preventing  diagnostic, password, contact, URL, SMS, handwriting, location, and  P2P-update sharing.  Blackbird Features:   Disables OneDrive  Disables Cortana  Disables Bing-inte...