I'd try Microsoft "Movie Maker".. It was part of Microsoft Essentials 2012, but is no longer supported by Microsoft (even though it works fine). You'd have to get it from a third-party site though, here is one link that has the setup file: https://www.winmoviemaker.com/
You only need "Movie Maker", not the rest of the apps. Of course there are other tools out there.
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