Sydney: Microsoft has unveiled the updated version of its Windows 8 operating system. The media quoted Tami Reller, chief financial and marketing officer of the company's Windows Division, as saying that Windows 8.1 would be available on both PCs and tablets later this year.

Speaking at the Computex show in Taipei, Reller said the 8.1 update took into account input from consumers on the Windows 8 system, which has received only lukewarm reviews .

Once the most substantial presence in the computer industry, Microsoft has been working hard over the past two years to cope with the rise of tablet computing and the resulting erosion in PC sales.

Microsoft 's own tablets have a 4 percent market share, far behind that of industry leader Apple. They have been available for seven months.


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