No more Windows 7 machines left at work at all, in 2019 every one was upgraded to Windows 8.1! :) For Windows XP it's a different story, we have a few still running... Apparently there's a new version out called "Windows 10", but the authorities in charge haven't started testing that yet!
But... how well does it photograph cats? The author even mentions the importance of cat photography, but fails to include a single cat photo! (I'm only half-joking, most of my photos are of cats!) :)