Tablet and notebook models use ARM chips and run Windows 8 at Computex 2011.
Although recently, Windows market share has been more or less reduced, but this OS still accounts for about 90% of ARM's PC and speech market share is quite well-founded. However, Windows 8 running on ARM-based devices will not be compatible with applications designed for x86 processors, but will only run programs developed for the Metro interface, an interface that is quite controversial.
ARM is putting a lot of hope on Windows for ARM processors, and at Computex last June, Microsoft also showed a number of notebook models running ARM processors from Qualcomm, Texas Instruments and NVIDIA. The latest Microsoft operating system promises to be officially released in October this year.