Right now I am downloading Windows 10 Insider Preview Build 15007.
Microsoft has released this latest build for Windows Insiders in the Fast ring on 12th January. This latest build has lots of improvements in Edge, Hello, Interestingly Rainbow Flag is now available to the emoji font and keyboard!
You can now take a screen capture using only your keyboard. Press Alt + N, select the desired snip type and press enter – this will start the capture.Mouse scrollbar improved and so does the Cortana and many more.
You may go through Windows Blog article to know more in details.