Windows 7 Codec Pack 2.7.0 Free Download
Shareware: You can try this program, but this version has some limited features or time usage restrictions. You should purchase it in order to remove those limits.
The Windows 7 Codec Pack is a simple to install package of codecs/filters/splitters used for playing back music and movie files. After installation you will be able to play 99.9% of files on the internet. Also included in the package are a number of encoder codec's, allowing you to encode files in formats such as DivX. XviD, x264 and many more in your favourite encoding application.