You can use Windows Movie Maker to capture audio and video to your computer from a video camera, Web camera, or other video source, and then use the captured content in your movies. You can also import existing audio, video, or still pictures into Windows Movie Maker to use in the movies you create. After editing the audio and video content , which can include adding titles, video transitions, or effects, you can then save your final movie and share it with friends and family.

       
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Make movies adding special effects and modify other options. You can add content to your project either by capturing content directly in Windows Movie Maker or by importing existing digital media files. The content you capture is saved in Windows Media Format. However, you can also import existing Windows Media-based content as well as other common file formats.
You can import files with the following file name extensions to use in your project:
Audio files: .aif, .aifc, .aiff .asf, .au, .mp2, .mp3, .mpa, .snd, .wav, and .wma
Picture files: .bmp, .dib, .emf, .gif, .jfif, .jpe, .jpeg, .jpg, .png, .tif, .tiff, and .wmf
Video files: .asf, .avi, .m1v, .mp2, .mp2v, .mpe, .mpeg, .mpg, .mpv2, .wm, and .wmv

What you can do with Windows Movie Maker?
Capturing video. Contains information about using the Video Capture Wizard to capture video and audio to use in your movies.
Taking pictures. Provides information and procedures related to taking pictures to include in your movies. Importing existing digital media files. Provides procedures for importing existing digital media files into Windows Movie Maker.
Saving a project. Provides information about saving a project.
Previewing projects and clips. Provides information about previewing individual clips or your entire project . Editing projects. Provides procedures for editing existing projects. Editing clips. Provides procedures and information about creating, splitting, combining, and trimming clips. Using video transitions, video effects, and titles. Provides procedures for enhancing your movies by adding video transitions, effects, and titles. Working with audio. Provides information about editing audio and using audio effects in your projects. Organizing collections and clips. Provides information about organizing your collections and clips effectively.
Saving and sending movies. Provides information about using the Save Movie Wizard feature to save your movies and share them with others.
Configuring options. Provides information and procedures for customizing different aspects of Windows Movie Maker.