Spring Windows update to address use on non-touch devices; phone update also planned

A man rides his bicycle outside the 2014 Mobile World Congress on Sunday, Feb. 23, 2014, in Barcelona, Spain.

A man rides his bicycle outside the 2014 Mobile World Congress on Sunday in Barcelona, Spain.

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Belfiore said Nokia is still an independent company, so "what they do as an independent company is what they do." He said Microsoft has been happy with many things Nokia has done, and "some things we may be less excited about. Whatever they do, we are very supportive of the relationship (we have) with them."

The Nokia deal is part of Microsoft's attempt to give Windows Phone a boost in a world dominated by Apple's iPhones and devices running Google's Android system. During Sunday's presentation, audience members chuckled when Microsoft boasted that it had surpassed BlackBerry, a struggling operating system.

Microsoft also got a new CEO this month: Satya Nadella, a 22-year Microsoft veteran who had been in charge of the company's small but growing business of delivering software and services of the Internet. He replaced Steve Ballmer, who had struggled to steer Microsoft from PCs to mobile.

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