For those that haven't seen it, take a look at Never 10. It's a simple utility that disables GWX (Get Windows 10) by doing the registry / group policy editing for you. You just run it once; you don't need to install anything or keep it running in the background.
No prompts, no upgrades, and no Windows 10 installation files taking up space on your drive.
"Coming up on News at 11: Google has released a report saying that Google.com.. could be dangerous? What does this mean? What do you need to do to stay safe? Tune in and watch through the entire hour and all the commercials, so we can give you the 90-second over-hyped package at the very end."