S nap Corners
Windows 10 builds on the Snap app-docking feature with a corner mode, allowing apps to automatically snap into each of the four corners of the screen just by dragging their windows into the corners. A Snap Assist feature invokes Task View at certain times for easier docking. Snapped windows also can be resized manually.
Microsoft claims that the single code base of Windows 10 will simplify development of apps intended to run on a variety of device types from embedded to the enterprise. Microsoft is expected to set a release date for Windows 10 at the Build Developer Conference 2015 in April.