Play All Video & Audio Formats on Windows

Download the Media Player Codec Pack to play MKV, MP4, AVI, HEVC (H.265), FLAC and more. Fix unsupported format errors with a simple, safe installation that works with the players people already use.

✓ 100% free • No registration • No hidden costs

  • ✓ Works on Windows 11, 10, 8.1 and 7
  • ✓ Supports the formats people use every day
  • ✓ Choose Standard, Plus or Lite below
Latest version: 4.6.1 Updated: 10 April 2026
Windows media playback screenshot
Playback-ready support for the formats people use every day.
 
 
 

Choose the right version for you

Not sure which version to choose? Standard is recommended for most users and gives you everything needed for everyday playback. Plus adds extra tools for advanced users, while Lite keeps things small and simple for older or lower-power systems.

Advanced

Plus

For power users who want the fullest toolkit.

Free download. No registration and no hidden cost.
Good fit for Higher-end systems, advanced playback needs, foobar2000 plugin support, and people who want encoding and extra tools.
  • Fullest support across playback and extras
  • Best for advanced users and HTPC setups
  • Includes the largest toolset and foobar2000 plugins

Need help with odd file types? See troubleshooting guides

Lightweight

Lite

A simpler package for smaller or older systems.

Free download. No registration and no hidden cost.
Good fit for Tablets, older hardware, and users who want a smaller install focused on common playback needs.
  • Covers the essentials
  • Smaller install footprint
  • Good for lower-power systems

Unsure why a file will not play? View common playback fixes

Compare the three editions

This comparison focuses on what most people actually care about: what each build plays, how easy it is to install, how large it is, and who it is best for.

Feature Standard Edition
Recommended
Plus Edition Lite Edition
Best for Advanced users, HTPC setups, and fuller media workflows Older, smaller, or lower-power systems
Playback support Widest support, with extra tools for more demanding setups Essential playback support for common formats
4K / HEVC playback Yes, with the fullest overall feature set Limited compared with Standard and Plus
Extra tools Most complete option for advanced features and extras Minimal extras for a lighter install
File size Largest Smallest
Install time Longest because it includes the fullest feature set Fastest and lightest install
Ease of use Best when you already know you need the extra features Simple, lightweight setup
Recommended choice Choose this only if you specifically want the additional feature set Choose this if you want the lightest package

Need the technical detail as well? Each edition page can still list the exact components, but the homepage now makes the choice easier for non-technical visitors.

 


 



     

Play all video and audio formats on Windows

The Media Player Codec Pack is a free download that helps your PC play more video and audio files without the usual trial and error.

If you have ever tried to open a movie or music file and seen an unsupported format error, no picture, or no sound, this is the kind of problem it is designed to fix.

Most people should choose Standard. It gives you the easiest, most complete playback setup for everyday use.

Fix playback problems without the guesswork

Instead of searching for single codecs one by one, you can install one pack that adds support for the formats people actually run into.

  • Fix unsupported format errors when a file will not open.
  • Restore missing sound or video in files that partly play.
  • Improve support for HD and 4K media on compatible systems.

Supports the formats people use every day

You can play common downloads, camera clips, archived media, and high-definition video without bouncing between extra tools or downloads.

  • Video files: MKV, MP4, AVI, MOV, WMV, FLV
  • Video support: HEVC (H.265), H.264, MPEG-4
  • Audio formats: MP3, FLAC, AAC, DTS, AC3
  • Playback quality: everyday files, HD video, and 4K-ready playback

Works with Windows and the players you already know

Compatible with Windows 11, 10, 8.1, and 7, plus supported Windows Server editions.

  • Windows Media Player
  • Media Player Classic
  • VLC Player
  • PotPlayer
  • Kodi and other compatible media players

Before and after installing

This is the difference most visitors are actually looking for.

Before

  • Videos will not open
  • Files play with no sound
  • Unsupported format errors keep appearing
  • You end up trying random players and downloads

After

  • Popular formats play properly on Windows
  • Sound and video support is restored in common cases
  • Less trial and error when opening unfamiliar files
  • Your regular media players become more useful

Safe, reliable, and completely free

All editions of the Media Player Codec Pack are free to download and use.

It is designed to install cleanly, improve compatibility, and give you a straightforward way to play more file types without hunting for individual fixes.

Quick tip: Start with Standard unless you already know you need the extra tools in Plus or the smaller footprint of Lite.

Common playback problems

If you are not ready to choose a version yet, start with the issue you are seeing instead.

Frequently asked questions

  • What is a codec pack?

    A codec pack is a set of playback components that lets Windows open video and audio formats that are not fully supported by default.

  • Why will my video not play?

    If a file will not open, has no sound, or only shows part of the video, your system may be missing support for that format. Installing the codec pack solves that in many common cases.

  • Which version should I download?

    The Standard edition is the best choice for most people. Choose Plus if you specifically want extra tools, or Lite if you prefer a smaller, simpler install.

  • Does this work with Windows Media Player?

    Yes. It is designed to improve playback support in Windows Media Player and other compatible players already installed on your PC.

  • Do I need this if I already have VLC?

    VLC can already play many formats on its own, but this pack can help add broader playback support across Windows and other media players on your system.

  • Is the codec pack safe?

    Yes. It is designed for a clean install, updated for compatibility and stability, and all editions are free to download.