No, the upgrade to 8.1 needs to be explicitly kicked off through the Store: http://windows.microsoft.com/en-US/windows-8/update-from-win...
Because I DIDN'T want Windows 8.1 installed, at all.
Unless you think this tutorial is useless and people invented it because they are liars too:
http://www.askvg.com/how-to-stop-automatic-forced-upgrade-fr...