It's "the coolest code I've ever written," the Microsoft co-founder says.

Gates looked back at a pivotal point in 1975 when he and his late friend Paul Allen took a leap of faith — and a major shortcut.

Microsoft, which turns 50 years old today (April 5), started off with a lie. In 1975, the 20-year-old Gates and 22-year-old ...

Reminiscing about Microsoft's early days, Gates said Altair BASIC was the company's "original source code," predating iconic ...