Interesting. The extension appears loaded, as per shexview, but it does not seem to be loaded, in reality.
We actually haven’t changed how extensions are loaded. The method is the same as it was when Windows 7 was the norm, so I don’t think going to an older version will help here, unfortunately.
There is an alternate method that may work for you in Windows 7, where a custom context menu option will be provided. You could give this a shot: