K-Lite Codec Pack is a collection of VFW or ACM codecs, DirectShow filters and tools. Codecs and DirectShow filters are needed for encoding and decoding (playing) audio and video formats. 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 audio and video formats and even several less common formats. It also has (better) support for playback of DVDs.
What's new in this version:
Version 9.9.5 includes updated LAV Filters to version 0.57-11-g02c9d31, ffdshow to version 1.3.4513, Codec Tweak Tool to version 5.6.4, and Icaros to version 2.2.2b1.