"Come the beginning of 2016, Microsoft will get much more assertive in distributing Windows 10 upgrades to consumers and small businesses, the company's top OS executive said Thursday."

http://www.computerworld.com/article/2999548/microsoft-windows/microsoft-to-get-pushy-about-upgrading-to-windows-10.html

The gwx tool guy says you might get unlucky before that even:

"Over Thanksgiving weekend I started getting reports that the Windows Update 'AllowOSUpgrade' setting was getting flipped back on on a number of peoples' PCs, and it keeps re-setting itself at least once a day if they switch it back off," said Josh Mayfield, the software engineer who created GWX Control Panel."

http://www.computerworld.com/article/3012278/microsoft-windows/microsoft-sets-stage-for-massive-windows-10-upgrade-strategy.html#tk.rss_all

A few weeks ago there were reports of 1511 automatically disabling/uninstalling some major AV endpoint software it did not like. I am glad I did not board that particular train yet. It may be necessary but it is not the best way for users to remove without notification.

http://winaero.com/blog/windows-10-version-1511-removes-your-apps-as-you-update-builds/