This is the official successor to Movie Maker. It comes built-in with Windows 10 and 11 and offers a user-friendly interface with modern features like screen recording and stock media.
Movie Maker - Video Editor - Free download and install on Windows | Microsoft Store. Microsoft Store Create films with a video editor - Microsoft Support This is the official successor to Movie Maker
If you have old project files you still need to access, you cannot "run" them in modern editors directly. You must first open them in a version of Windows Live Movie Maker to export them as an MP4 or WMV file. This is the official successor to Movie Maker