K-LITE CODEC PLAYER

These codec packs are compatible with Windows XP, Vista, 2003, Windows 7, and Windows 8. The packs include 32-bit and 64-bit codecs, so they work great on both x86 and x64 variants of Windows.

Basic

Small but extremely powerful!
Contains everything you need to play all popular audio and video file formats.
Supports playback of:

• AVI, MKV, MP4, FLV, MPEG, MOV, TS, M2TS, WMV, RM, RMVB, OGM, WebM
• MP3, FLAC, M4A, AAC, OGG, 3GP, AMR, APE, MKA, Opus, Wavpack
• and much more!

Provides lots of useful functionality, such as:

• Subtitle display
• Hardware accereration (DXVA/CUVID/QuickSync)
• Audio bitstreaming
• Video thumbnails in Explorer
• File association options
• Broken codec detection
• and much more

Standard

Same as Basic, plus:

• Media Player Classic Home Cinema (MPC-HC)
• MadVR (an advanced and high quality video renderer)
  
• MediaInfo Lite

This is the recommended variant for the average user.

Full

Same as standard, plus:

• GraphStudioNext
• A few additional directshow filter: ffdshow, Haali Media Splitter, VP7, DScaler5, DC-Bass Source

Mega

• Several ACM and VFW codecs for video encoding/editing
• A few additional DirectShow filters:
  Xvid, AC3Filter
• A few extra small tools

download k-lite codec

resource: http://www.codecguide.com/download_kl.htm