Microsoft is replacing Windows 10’s Video Editor with web-based Clipchamp
Last week, Microsoft started rolling out the modern Photos app on Windows. While the modern Photos app has several new editing tools, it removes the built-in Video Editor" and replaces it with a web-based Clipchamp.
If you've lost track of how many different photos applications Microsoft has shipped for Windows and what features they don't and do have - the linked article has a good, if Microsoftian convoluted overview.