By Chris Vallance Technology reporter
Microsoft has revealed more details of Windows on ARM (WOA), a version of its planned Windows 8 operating system which will run on ARM-designed chips.
The chips are widely used in smartphones and mobile devices because of their performance and low power consumption.
Microsoft hopes WOA will help it compete with iOS and Android tablets.
However, analysts have warned Microsoft faces "huge hurdles" in making the product a success.
Microsoft hopes WOA will help it exploit the growth in mobile devices using ARM chips.
Cambridge-based ARM Holdings licenses its designs to manufacturers.
So far, 20 billion chips based on its designs have been shipped worldwide.
In an 8,600 plus word blog post Windows president Steven Sinofsky detailed the "energising and daunting" challenges in developing Windows on ARM.