Art, my suspicion is that Microsoft, for some reason, felt that folks would be moving to tablets and touch screen computers much faster than reality and forgot that many home users run computers into the ground before they upgrade. Or along the same line, they knew that, but were trying to force the market to move to touch interfaces. The bottom line is as you state...Win8.x really didn't make the grade with the public. Win10 is a breath of fresh air in that respect. It retains the ABILITY to support touch interface, but doesn't assume you have it or force you to move to it. Most folks who understand Win7 can get along fine with Win10 after a short learning curve around a few things that are formatted a little differently. Professor Dr. SMWBO is doing that this week...I bought her a new computer for New Years and she's getting it setup "her way" as we speak...
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The most expensive tool is the one you buy "cheaply" and often...