The new Intel IGP graphics driver version 15.40.4.64.4256 supports Intel's 4th generation Core and 5th generation Core CPUs as well as Intel Core M CPUs and adds support for Windows 10 OS and new Windows 10 features including DirectX 12, PlayReady 3 for 1080p playback and Miracast. The new Intel IGP driver also brings support for DirectX 11.3 as well as all graphics, media and display features on the Intel 4th and 5th generation Core CPUs that were previously support on Windows 8.1 OS.
While there are still plenty of known issues listed in the release notes, the new IGP graphics driver from Intel does fix issue seen on touch enabled systems seen running with "centered" scaling if the resolution was set to less than the native panel resolution.
As always, the new Intel IGP v15.40.4.64.4256 graphics driver can be found at Intel's Download Center website.