Windows 10/6.3.9697.fbl grfx dev p.140227-2030

Windows 10 build 9697 (with a build tag of 9697.fbl_grfx_dev_p.140227-2030) is a pre-release build of the Microsoft Windows 10 operating system. This build was demoed at //Build/ 2014 on April 2, 2014 and is generally classified as the first known Windows 10 build.