Windows Longhorn/6.0.4067.private/lddm dev tech(davidmo).040212-1646

Windows "Longhorn" build 4067 (with a build tag of 4067.private/lddm_dev_tech(davidmo).040212-1646) is a Milestone 7 build of the Microsoft Windows "Longhorn". It was shown during WinHEC 2004 when Jim Allchin used it to demonstrate the then-new Longhorn Display Driver Model (later renamed as the "Windows Display Driver Model").