How did Microsoft ensure that new versions of its software would work with older hardware and software?

Now, Bill and Melinda Gates and I are asking hundreds of rich Americans to ... What I can do, however, is to take a pile of Berkshire Hathaway stock certificates— ... Apr 19, 2022 ... In just one year, Microsoft went from a $7.5 million turnover in 1980 to $16 million in 1981. Essentially, the huge IBM enterprise became ... Oct 28, 2016 ... In so many ways, Bill Gates did his most significant work outside ... year-old Gates became the world's youngest billionaire at that time. The challenge when we started out was how to do that in a meaningful and high-impact way. We were drawn to things that sprang from our experience, so we began ... May 20, 2020 ... ... when in Ellison's view— they became idiots or worse ... Bill Gates, months or even years to drop out. [9:09] Steve Jobs ... Jun 11, 2020 ... One viral post imagines Gates' view of the current conspiracies, writing that the billionaire has spent “30 years" of his life and "$50 billion" ... May 22, 2020 ... By 1978, Microsoft was earning more than $1 million per year. As the company started licensing operating systems to IBM and other computer ... ... Bill Gates on the 2025 Billionaires. ... How Did Bill Gates Become Successful? Gates was clearly a mathematically ... Feb 22, 2018 ... When Bill Gates became a billionaire at age 31, he got just a little bit fancy. “I don't have that many things that are extravagant taste ... Jun 11, 2021 ... In a Reddit AMA in March, the billionaire seemed to try to separate his climate advocacy and his personal investments when asked about his ...