Windows 8, the first version of the desktop client to arrive with enhancements meant for mobile devices and with expanded support for touchscreens, will also be the first to be loaded on ARM architectures. Dubbed WOA (Windows on ARM), the platform will offer the same features and capabilities that Windows 8 will offer when loaded on x86/64 architectures.
To ensure that Windows will work on devices that are powered by a System on Chip (SoC), Microsoft has partnered with companies that make ARM processors.
Thus, Windows 8 will be loaded on devices featuring processors coming from NVIDIA, Qualcomm, and Texas Instruments.
When it comes to ARM licensees, each of them has its own approach towards selecting features and designing the complete silicon package, which means that there are differences between products that are based on the same ARM CPU
“There is no single ARM experience, and as we have seen with other operating systems, even the same ARM CPU combined with different components, drivers, and software can yield different types or qualities of experiences,” Microsoft’s Steven Sinofsky explains in the blog post.