This lightweight decoder needs to be installed a bit differently compared to similar applications.
Open the MpegDecoder012.msi file in order to run setup.
Make sure you have Microsoft Installer
on your system, because GPL MPEG-1/2 DirectShow Decoder Filter has a Microsoft Installer package.
Once you have deployed GPL MPEG-1/2 DirectShow Decoder Filter to your computer, just sit back and relax.
You will be able to play the media contents targeted by this codec hassle-free.
Apart from playing MPEG1 and MPEG2 streams, you can use this application as a DVD decoder for unencrypted discs.