CoreCodec CoreAVCŽ 2.0 for Windows is a complete solution for playing high quality HD H.264 videos on your Windows based computer. CoreAVC comes (in part) from the creators of the Matroska MKV Container (.mkv), So you know it's gotta be good! CoreAVC 2.0 fully supports GPU hardware acceleration with NVIDIA CUDA Technology, and works with other compatible NVIDIA Platforms like ION running on Windows XP, Vista, or 7.

K-Lite Codec Pack is a collection of codecs and related tools. Codec is short for Compressor-decompressor. Codecs are needed for encoding and decoding (playing) audio and video.