Are you unable to play certain video clips or movies in your computer? You are probably missing a codec or need to install a new one. CodecInstaller is capable to provide a detailed list containing all of the codecs you have installed in your machine and let you know which are the ones that are not working properly and the ones you need to install. Every day new codecs are created because compression and ratio are getting better, that’s why you need an application like CodecInstaller that alert you every time you need to update your codecs list. It works with all versions of Windows OS.