To view and edit videos on a PC, you can use Windows Media Player or Movie Maker (download the latest HD-capable version and also download a H.264 decoder to update media or movie maker). CoreCodec CoreAVC is one company that offers a codec pack for H.264. You can also use our free editing software, GoPro CineForm Studio, to convert your camera's MP4 files to AVI files so that you can edit them in Windows Movie Maker.
VLC Media Player is also a free downloadable video media player that supports MP4 H.264 files.
For other PC based editing programs, we have had several customers give good reviews of the Pinnacle Studio HD editing software which is compatible with the MP4 files. Adobe Premier Elements PC based program that is compatible with MP4 files.
If you have an existing program that does not support MP4 files, you also have the option of using a file conversion software such as CineForm Studio to convert your files into a format compatible with your particular editing program.