content: You can go into event viewer and delete all the events there, but I do not think anyone knows all the data that is currently being sent to MS, so no one knows what all to delete to be able to properly answer your question. There are a few apps out there that block a lot of Win 10s telemetry, but nothing is 100% yet. I would just disable most the telemetry features, turn off auto-updates, and install one of the program currently available like aegis. Hopefully MS will get enough shit to disable this crap, or be forced by FCC or something to stop.