Guests are silhouetted at the launch event of Windows 8 operating system in New York, in this October 25, 2012 file photo. Microsoft Corp has sold 100 million Windows 8 licenses in the six months since launch, roughly in line with the previous version according to Reller who announced sales figures Monday.
Microsoft CFO Peter Klein takes questions during a Reuters Global Technology Summit in New York in this May 14, 2010 file photo. Microsoft Corp announced Klein would leave at the end of June after three and a half years in the post as the world's largest software company struggles with sharply declining personal computer sales and lukewarm reception for its new Windows 8 operating system.
Michael Dell Chairman and CEO of Dell Inc. arrives at the launch event of Windows 8 operating system in New York, in this October 25, 2012 file photo. Dell Inc's board is bending over backward to prevent any appearance of conflicts of interest as the founder and Chief Executive tries to lead a buyout of the world's No. 3 PC maker.
Michael Dell Chairman and CEO of Dell Inc. arrives at the launch event of Windows 8 operating system in New York, in this October 25, 2012 file photo. The money that private equity firm Silver Lake could receive if its $24.4 billion deal with Michael Dell to take private the eponymous PC maker falls through could make the buyout firm more willing to walk away rather than raise its bid to see off competition.
A man pushes a trolley full of Dell computers through a company factory in Sriperumbudur Taluk, in the Kancheepuram district of the southern Indian state of Tamil Nadu, in this June 2, 2011 file photograph. Personal computer sales plunged 14 percent in the first three months of the year, the biggest decline in two decades of keeping records, as tablets continue to gain in popularity and buyers appear to be avoiding Microsoft Corp's new Windows 8 system, according to a leading tech tracking firm.
An attendant checks a computer during the launch of Microsoft Windows 8 operating system in Hong Kong in this October 26, 2012 file photo. Personal computer sales plunged 14 percent in the first three months of the year, the biggest decline in two decades of keeping records, as tablets continue to gain in popularity and buyers appear to be avoiding Microsoft Corp's new Windows 8 system, according to a leading tech tracking firm.
