WINDOWS 8 CORE LICENSE KEY
Windows 8 core provides all the features in Windows 8 core (except the ability to install the Windows Media Center add-on), with additional features to assist with IT organization (see table below).This edition is available to Software Assurance customers, as well as MSDN and Technet Professional subscribers, and was released on August 16, 2012.
Windows RT is only available pre-installed on ARM-based devices such as tablet PCs.It includes touch-optimized desktop versions of the basic set of Office 2013 applications to users—Microsoft Word, Excel, PowerPoint, and OneNote, and supports device encryption capabilities. Several business-focused features such as Group Policy and domain support are not included.
Windows RT only runs third-party software bought from Windows Store.Desktop software that run on previous versions of Windows cannot be run on Windows RT.According to CNET, these essential differences may raise the question of whether Windows RT is an edition of Windows: In a conversation with Mozilla, Microsoft deputy general counsel David Heiner was reported to have said Windows RT "isn't Windows anymore." Mozilla general counsel, however, dismissed the assertion on the basis that Windows RT has the same user interface, application programming interface and update mechanism.
Unlike Windows Vista and Windows 7, there are no Starter, Home Basic, Home Premium, or Ultimate editions.