Software & Apps Design Adding Various Audio Formats to Windows Media Player 12 Play back more media formats in WMP 12 Share Pin Email Print Diane Collins & Jordan Hollender / Getty Images Design Animation & Video 3D Design Graphic Design By Mark Harris Writer Mark Harris is a former writer for Lifewire who wrote about the digital music scene and streaming music services in an easy to understand, no-nonsense manner. our editorial process Mark Harris Updated March 30, 2019 In this article, we'll show you how easy it is to add support for a heap of extra audio (and video) formats in Windows Media Player 12, so you don't have to waste time installing other software media players just to get all your media files to play. Adding Audio And Video Support to Windows Media Player 12 Using your web browser, go to www.mediaplayercodecpack.com and click on the link to download the Media Player Codec pack.Once the pack has been downloaded, ensure Windows Media Player isn't running and install the downloaded pack.Select the Detailed Installation option so you can bypass all the PUP (potentially unwanted programs) that comes with the pack. Click Next.Read the end user license agreement (EULA) and click the I Agree button.Click the radio button next to Custom Install (for advanced users) and de-select all the software you don't want to be installed. Click Next.If you don't want Media Player Classic installed, then click the checkbox next to Additional Player. Click Install.On the video settings screen, click Apply.Click the Apply button on the audio settings screen.Finally, click OK. You'll need to restart your computer for all the changes to take effect. Once Windows is up and running again, verify the new codecs have been installed. One of the easiest ways to do this is to play a file type (such as the ones listed on the Media Player Codec website) that couldn't be played before.