There are various free editors reasonably easy to use but often they hobble them in some way in an attempt to make you buy a paid version.
Some are more intuitive than others.
I don't know why they did away with 'easy' Windows Moviemaker but there is a way to edit you might already have if on Windows 10
https://support.microsoft.com/en-us/windows/create-films-with-a-video-editor-94e651f8-a5be-ae03-3c50-e49f013d47f6