https://kdenlive.org/en/
Although primarily for Linux, it is also available as an AppImage for Windows, though IIRC, you have to install ffmpeg too (quite simple, and instructions are there).
It can handle just about any video format you throw at it, and output in virtually anything as well. Its a "Timeline" editor, so not as simple as moviemaker, but a lot more capable.
If you have a powerful NVidia graphics card plus the CUDA drivers, the DaVinci Resolve is another editor that is free to download. This is a full on professional standard editor, but does rely on specific hardware to function. It can produce better quality than kdenlive under some circumstances, and has more effects, but it is more complex and fussy about hardware.
Both are FREE!
--
Pete
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