Microsoft launches official Channel 9 Windows 8 app; Yahoo Finance released April 3, 2013 by admin Tweet Microsoft has quietly launched the official Channel 9 app for Windows 8, while Yahoo continues to expand its own Windows 8 app library with the Yahoo Finance app. Read more… Neowin Related Posts:Microsoft releases ISO for Windows 11 build 25197…It's official! Microsoft quietly allows Windows 11…Microsoft releases ISO files for the latest 25140…Microsoft quietly updated its official lightweight…Microsoft confirms there will be no Windows 11…