Yes, Windows 11 seems like it's just Windows 10 with a refreshed UI. But Microsoft is also making changes under the hood. And in a video that it just posted, the software giant explains why those less visible updates will result in a more performant version of Windows. Naturally, I’m wondering why these changes aren’t coming to the 1.3 billion people currently stuck using Windows 10, a system that is otherwise identical to Windows 11.

Microsoft vice president Steve Dispensa discusses this and a number of related Windows 11 topics in the video. Here’s a breakdown of the changes he discusses, with commentary.