Kind of a clickbait-y thread title, no? Windows 10 isn't exactly "about to end" when the very photo you presented states that the OS will continue to be updated until over four years from now.
That said, I admit that I'm also curious as to what a new Windows OS may look like. I recall seeing Windows 8 for the first time and considering it to be a fairly radical change from XP at the time, though admittedly 10 didn't strike me as a whole lot different after that. I guess that means I'm just interested in whatever the new interface will be, since I can't say there's really anything else that I need/want from future Windows versions.
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