A few days ago, the company published information about an important update KB2919355 for Windows 8.1 and RT 8.1. The key feature of this update is that without installing it, it is impossible to continue receiving security updates for these operating systems . The size of the update is quite large and is more than 800MB. It is available through Windows Update, and its files can be downloaded from this link .
One of the main innovations of this service pack is the loading of the user's desktop bypassing the Start menu in the Modern UI style when booting the system, as well as the Windows Store icon on the application launcher. For more information on innovations, see Microsoft windows.microsoft.com/en-us/windows-8/whats-new .