Microsoft is rumored to reveal technical preview of Windows 9 aka Windows Threshold on 30th September. And, as it always happens, you can feast your eyes on some of the screenshots of the latest Build dated September 9.
One can clearly see the Mini start screen and “Windowed apps” as rumored coming in the Desktop SKU of Windows 9. Cortana integration may or may not arrive with this technical preview. Early Notification center can also be seen in one of the screenshots. New icons for search, file explorer and others can also be seen in the screenshots.