http://www.extremetech.com/computing/213183-once
Every time Microsoft releases a new version of an operating system, there’s always a few users bitterly unhappy at the company’s decision not to support new features on older products. Microsoft has finally listened to these die-hard devotees of older operating systems. If you felt like Windows 7 and Windows 8 offered you a little too much privacy, rejoice: Microsoft is updating those operating systems with the same telemetry gathering software it deployed on Windows 10.

Und die Updates, die man deaktivieren muß oder besser gar nicht installiert:

http://www.ghacks.net/2015/08/28/microsoft-intensifies-data-collection-on-windows-7-and-8-systems/

Windows 7 and 8 users have been plagued by "upgrade preparation" updates but left alone otherwise up until recently when it comes to this new level of data collecting.

This changed recently with the release of several updates for both operating systems that step up the game.

KB3068708 Update for customer experience and diagnostic telemetry
KB3022345 (replaced by KB3068708) Update for customer experience and diagnostic telemetry
KB3075249 Update that adds telemetry points to consent.exe in Windows 8.1 and Windows 7
KB3080149 Update for customer experience and diagnostic telemetry