Windows Movie Maker is described as 'Makes home movies amazingly fun. With Movie Maker, you can create, edit, and share your home movies right on your computer. Build your movie with a few simple drag-and-drops. Delete bad shots and include only the best scenes' and is a very popular Video Editor in the video & movies category. There are more than 100 alternatives to Windows Movie Maker for a variety of platforms, including Windows, Mac, Web-based, iPhone and Linux apps. The best Windows Movie Maker alternative is Kdenlive, which is both free and Open Source. Other great apps like Windows Movie Maker are OpenShot, Shotcut, DaVinci Resolve and Avidemux.
It is not a very good program to use. Very difficult to use unless if you are a professional.