Latest Win10 preview build adds touchpad gestures, MKV playback
 

Microsoft is still improving upon the Windows 10 Technical Preview with incremental releases. The latest build, numbered 9879, includes a wealth of tweaks and additions, from those touchpad gestures we heard about recently to support for the MKV video format. A full run-down of the changes can be perused on the official Windows blog. The Cliff's Notes version is below:

Phew. To grab the new preview build, head to PC Settings via the Start menu, then click "Update and recovery," and finally "Preview ...

http://techreport.com/news/27361/lat...s-mkv-playback