Sorry, but IMO, not Windows provided access to information, it was lowering of hardware prices. There are already was fair amount of different OSes before and in same time with Windows. In many countries in schools and even some colleges/universities/etc "computer science" was (and still) synonymous to Windows + Office button remembering instead of teaching concepts of computing.
Fair enough. It's hard to point at one cause of the explosion in computing, and you're definitely right about hardware prices.
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