The package of video and audio codecs. If you constantly watch the video in different, including the less common formats, this package is for you, it has everything necessary to watch the video.
The three versions: Standard, Full and Mega. Differ by the number of their codecs. Most users will be quite sufficient with the Standard version, which includes everything necessary. Full version has many additional codecs. Mega version is a combination of two packages: K-Lite Codec Pack Full and Real Alternative (package codecs for audio and video playback format RealMedia).
