Get K - Lite Codec Pack for Mac here: http://www.faasoft.com/articles/k-lite-codec-pack-mac.html
Yes, both work. And both DivX player and VLC player work well for MKV files.
K-Lite Codec Pack
Please be aware that Brothersoft do not supply any crack, patches, serial numbers or keygen for K-Lite Codec Pack,and please consult directly with program authors for any problem with K-Lite Codec Pack.
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