That's exactly what they mean. But really, it's been pretty much that way since they introduced Windows Update.

FYI, Windows 10 has been fairly painless to install.

And finally, their statement does not preclude them from announcing a new OS with a different name.

>I understood this was the last major OS and push updates would do it from now on, such as an iPhone app. I found out to be quite interesting actually as it is really painful to install a new OS when released as this is usually a new install in most of the cases I have been faced with.