You can add third-party effects to Windows Movie Maker relatively easy by following the next steps:
- Open your Web browser and navigate to the website that hosts the Windows Movie maker special effects.
- Download the effects files to your hard drive.
- Navigate to the "C:\Program Files\Movie Maker\Shared" folder.
- Create a new sub-folder for your new Movie Maker effects. Name this folder "AddOnTFX".
- Drag the effects file that you downloaded into the AddOnTFX folder.
- Run the Windows Movie Maker application.
- Click the "View video effects" link on the left side of the program window. Your new effect is displayed in the list of available effects in the center panel.