To create a Mac-compatible video file, open the MSWMM file in Windows Movie Maker, save the movie at the highest quality setting WMV or preferably as a DV-AVI format file. The 2 options for saving a video file from Movie Maker are either DV-AVI or WMV. However, the movie/video format has to be Quicktime (.mov.mp4) format which a Mac uses.Windows Movie Maker publishes/finishes. Yes, you can play a movie created on Windows Movie Maker on a Mac.
There is a decent number of DVD maker freeware for Mac systems, but one of the popularly used tools is Burn. With this GoPro editing software for Windows you can add multiple effects to your videos and share them on social media platforms.