Earlier this month, Allen revealed that he had started treatment for non-Hodgkin's lymphoma, the same type of cancer he was treated for in 2009.
He beat former Microsoft CEO Steve Ballmer, who held the top spot for three years.
These models start as low as $7,100.
"I was Bill’s assistant, basically: chief cook and bottle washer,” Ballmer says.
With Satya Nadella at the helm, Microsoft has oriented itself around products that are growing faster than Windows. The company's stock has responded well to Nadella's changes.
Microsoft CEO Satya Nadella has taken a dramatically different approach to M&A than did his predecessor.
Brad Smith was around during Microsoft's antitrust fight with the federal government. He wishes the company had been earlier to compromise.
Gates nearly got in Microsoft's way early on.
"It worked out in the end, but I missed a lot."
The Philadelphia 76ers went from worst-in-basketball to championship contenders. CNBC talks to players and team execs on the turnaround and the future of sports.
"But I'm actually not a trader. In the long run, I believe in index funds" and Microsoft stock, Ballmer says.
"[I]f you fail, there's no parachute," Steve Ballmer told Satya Nadella.
Capital investment and R&D have increased linearly over time regardless of tax policy, ex-Microsoft CEO Steve Ballmer says.
"Are we in a market bubble or not? I don't know. I'm silent on it," the former Microsoft CEO tells CNBC.
Steve Ballmer, USAFacts founder and former Microsoft CEO, says the facts show little correlation between things that are controllable by the government and the U.S. economy.
Steve Ballmer, USAFacts founder and former Microsoft CEO, talks about providing the government with fact-based data to help make unbiased decisions, Microsoft and technological innovation.
Emerging political start-ups are riding a wave of civic engagement that has spread across the country and over both sides of the aisle.
At the Code Conference, former Microsoft CEO Steve Ballmer speaks to CNBC's Jon Fortt about his time at Microsoft as well as his thoughts on augmented reality, innovation and Amazon.
"Squawk on the Street's Carl Quintanilla reports on comments Twitter investor Steve Ballmer made at this year's Code Conference.
Steve Ballmer, former Microsoft CEO and current owner of the Los Angeles Clippers, is speaking at the Code Conference Tuesday night.