Play all the popular audio and video formats.
K-lite codec pack full is a free software bundle which includes audio and video codecs. codec is short for compressor-decompressor. codecs are needed for encoding and decoding (playing) audio and video. the k-lite codec pack is designed as a user-friendly solution for playing all your movie files. with the k-lite codec pack you should be able to play all the popular movie formats and even some rare formats.
note: older versions of k-lite codec pack full which run on all operating systems can be downloaded here.