what is an rt
windows rt for runtime is a version of microsoft s windows 8 operating system os designed for mobile devices particularly tablet pcs windows rt should not be confused with winrt the windows runtime library that provides system services for metro apps windows rt was originally called windows on arm woa because it is meant to run on arm processors the operating system has been likened to a tablet version of windows phone because it features a similar tile based ui user interface the os will come pre installed on hardware not as a stand alone product