New version! - The K-Lite Codec Pack is a collection of DirectShow filters, VFW/ACM codecs, and tools. Codecs and DirectShow filters are needed for encoding and decoding audio and video formats. The K-Lite Codec Pack is designed as a user-friendly solution for playing all your audio and 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. Lots of cool changes in this new version. It now includes 32-bit and 64-bit codecs in a single package.