Microsoft spends millions (maybe billions) on advertising and PR. They give massive discounts to get big companies hooked on their products. Most people aren't even aware there is a choice.
Never known a cat like her. Whatever you were doing, she would be there, wanting to be part of it. When we had work zoom meetings from home people would ask where she was if she didn't turn up. She was feisty and precious to her last day.
Unlikely. Even the best capacitors would discharge through leakage in 5 or 10 minutes.