How to prevent Windows 10 from automatically getting installed

1. 
   
2. Control Panel-- > "Programs" --> Programs and features;
3. From the left pane click the View Installed Updates link.
4. Now use the search box to type EXACTLY what's highlighted in RED below 
5. If you're running Windows 8.1 Update look carefully for these updates: KB3035583and KB2976978. If you're running Windows 7 Service Pack 1 look carefully for these updates: KB3035583, KB2952664, and KB3021917.
6. Remove them
7. You could reboot later