Microsoft releases Windows Phone 7.8 SDK January 22, 2013 by admin Tweet Microsoft has released the software development kit for the upcoming Windows Phone 7.8 operating system to app developers, which is one more step for the official launch of the OS update. Read more… Neowin Related Posts:Microsoft releases Windows 11 version 23H2Microsoft releases Windows 11 24H2 Evaluation ISOAMD releases new chipset driver with official…Microsoft releases free Windows 11 virtual machines…Windows 11 is getting more useful first-party widgets