How to Disable Windows 10 update permanently? [duplicate]

Solution 1:

This guide helps you to completely remove the Windows 10 upgrade notifications and clean up.

Disable Autostart of GWX.exe:

Under "Autostart Location" you can find the Autostart path of gwx.exe. Without a uninstallation of the KB3035583 update gwx.exe can only be disabled temporary. It gets reactivated after reboot. To solve this read the following:

Uninstall KB3035583:

• Press WIN+R

• Insert appwiz.cpl

• Press Enter

• Click Installed Updates in the sidebar

• Right-Click on Update for Microsoft Windows (KB3035583)

• Uninstall

• Important: Directly confirm the restart prompt!
  
  

Source: What is the “Get Windows 10″ Tray Item and How Do You Remove It?