Windows 8.1 Operating System (NT family) was released after Windows 8 and was intended for workstations, PCs and mobile devices. Windows Server 2012 R2 is a server edition of Windows 8.1. This operating system differs from Windows 8 by some changes in interaction with graphical user interface. Windows 8.1 is also intended for operating with touchscreens. According to the data on summer of 2017, 6.48% of all PCs in the world operate on this OS. You can download the latest updated drivers for Windows 8.1 right from our catalog.