New features for Fall Creators Update
Like JAWS and NVDA, keyboard help is now available in Narrator. Press Caps+1 to turn on or off. This feature tells you what Narrator command is assigned to a key, or if a key is not a Narrator Command.
Windows+Ctrl+N will open Narrator Settings while running.
Redstone 4 is the codename for the next version of Windows 10. You can also call it version 1803. It will get it's official name soon.
IMPORTANT: This update will not be released until March/April 2018. You must be an Insider to try out these features.
More settings moving from control panel.
Accessibility Settings redesigned.