Paul wrote an autobiography: Idea Man: A Memoir by the Cofounder of Microsoft https://www.nytimes.com/2011/04/18/technology/18allen.html https://en.m.wikipedia.org/wiki/Idea_Man
It's a good read. I often wonder what would have become of him had his parents not had the forethought to send him to Lakeside School; his family wasn't rich like Bill Gates' family; I imagine, with money, Gates would have done well whether or not he had gone to that school, but if Allen hadn't, and therefore hadn't met Gates, where would have gone? It makes me think long and hard about my children's education. They'…
Allen very plausibly was even more of an entrepreneur personality type than Gates was. It seems likely that Allen may well have pursued founding his own company in the absence of Gates.
From a very young age, Allen apparently had a strong penchant for science and technology. Striking out on your own, then as now, is maybe the best way to leap forward with new technology, versus laboring in the corner of a stuffy, conservative corporate behemoth like Honeywell (where Allen worked) or IBM.
Lakeside at a minimum very likely accelerated by several years his introduction to computer programming, due to the resources the school had. Then on top of that, he had a small group of friends to pursue those adventures with thanks to Lakeside, and they all had access to the same tech. The amplification value of all of that, has to be considerable.