- OS X 10.6 or later
- Please install QuickTime 7 (available on the Max OS X install disk or the Apple website) as QuickTime X is not yet fully functional and will not work with MovieCaptioner
- Flip4Mac plugin (free) required for loading Windows Media movies
- Perian plugin (free) required for loading FLV movies
- ClosedCaptionImporter plugin for QT (free from Apple) for creating SCC captions