How to wait upgrading to Win10

If you do not want to be a first mover installing Win10, then this link have the recipe to delay it

http://www.ghacks.net/2015/06/01/how-to-block-the-windows-10-update-notification-in-earlier-versions-of-windows/

(A few windows update should be uninstalled if already installed, and then hidden until you want them)