If we could sit down for dinner with Satoshi, we’d all start with the same question… Why did you use Windows?
Discussion
This is a good question. The answer could simply be because the vast majority of the world uses Windows. And, if we want the world's reserve currency to work for the entire world well, we better make sure it works for the operating system that everyone is using.
I mean if you’re not a professional coder you might just go with what you know too. Maybe he was more comfortable in that environment.