Windows RT (winrt) is a new member of the Windows 8 family, which is also the official name of Windows on ARM (woa. Windows RT focuses on the ARM platform and is not sold independently. It is released only in pre-installed mode. Windows RT includes Microsoft Word, Excel, PowerPoint, and OneNote desktop versions optimized for touch operations, but does not allow software installation on other intel platforms, you can use the winrt development environment to create a Metro application for it. The development of arm windows has received close attention. On the one hand, this version of Windows will support a new touch interface, and Microsoft hopes to play a greater role in the tablet market. On the other hand, for chip manufacturers in the arm camp, including Qualcomm, Texas Instruments and NVIDIA, this version of the system will further promote the development of the tablet market and attract original notebook users. Because Windows RT is not compatible with the original Intel PlatformProgramTherefore, Microsoft is developing well-known applications such as Word, Excel, PowerPoint, and OneNote for the ARM platform. All applications to run on Windows RT can only be developed through the windows Runtime Library, the so-called Metro-style app ); generally, applications developed using Win32 APIs cannot run on Windows RT.