Install Stardock Start 10 ($4.99) and research any other issues you have via Google. Windows 10 is actually quite a good and stable OS but, I agree that privacy settings are an issue.
The so called 'Connected User Experiences and Telemetry' can be disabled as follows:
- Hold down the Windows key and tap the R key
- In the box that opens type ‘services.msc’ and press the Enter key
- In the ‘Services (Local)’ section locate ‘Connected User Experiences and Telemetry’ and double-click it
- In the ‘Service status’ section click ‘Stop'
- Under the ‘Startup type’ drop down menu select ‘Disabled’ and then confirm this and close the window by clicking ‘OK’