Search for Services, in Services right click Windows Update and select Properties, in the drop-down box select Disabled, hit Apply, also hit Stop if it is already running. Do the same for Background Intelligent Transfer Service and also Delivery Optimization which let Microsoft use your bandwidth as if you're file sharing. Also disable Connected User Experiences and Telemetry which is the Service that spies on you for Microsoft. But Chuck Norris makes Cortana do all that for him by staring at the screen.