Windows 8.1 Preview is now available for download and testing.
Main features:
Boot to desktop option.
Start button and it opens the start screen.
Single unified search engine.
improved multiple monitor support.
improved start screen personalization.
IE11.
Direct X 11.2.
revamped Store.
Notes:
It will be a Free update to Windows 8.
You can’t upgrade from windows 8.1 preview to the final windows 8.1.
