If your tired of the constant nags to update to Windows 10 then this tool may help:
Ultimate Outsider: Using GWX Control Panel to Permanently Remove the 'Get Windows 10' IconThis is a free tool that can remove and disable the 'Get Windows 10' notification area icon on Windows 7 and Windows 8. Recent versions can also disable 'Upgrade to Windows 10' behavior in the Windows Update control panel and do much more. See the user guide at the Ultimate Outsider blog.