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Microsoft want all Windows users on Win 10 as soon as possible and are now downloading it onto computers with Win 7 and above even though it has not been requested. If it is possible to do this undetected then they obviously have control of your machine and could start the upgrade at their convenience. Windows 10 is not owned by the customer but given as a service which is free until "The supported lifetime of the device" is reached. Unfortunately Microsoft have not given a definition of this but have stated it will be variable for different "Form Factors" which possibly means a Laptop does not have the same life as a Desktop. Most critics are putting the time span between 2 to 4 years, and that is when the payments begin.
