When you remove WindowsApps folder, particularly one running called Shell something, StartMenu will be removed, it will no longer open, when you click on Start, nor any other Windows App for that matter.
Gyazo - b914f551b60cb589705952b3d94554ab.gif
Indeed, I have M705 and it works just fine.
Windows update does not have a way to check for Preview Builds any more.
When I look under advanced options in the update and recovery I do see a setting to choose slow or fast for the build. Perhaps new builds will just come under windows update.
Anyone want the really old menu back?
Look here: http:/www.classicstart8.com