I am a bit confused though -you say your videos play on media players and Youtube. The codecs are installed and will be used automatically. Once you have pressed the finish button on the K-lite installation you dont have to do anything.

I guess the easies thing to do is to change the default player I think it's to do with whatever the defualt player is on Windows when you right click and play the videos'. I can also get them to play back when using the media player included with that K-lite codec pack and has I have just this second discovered windows media player. I am not as panicked as before as I know the Videos that are rendered with H.265 actually work when uploaded to youtube. This package is for power users and people who do their own encodings.Quote Hi, Yes I did, but as previously mentioned I didn't really know what I was doing with it. It also has encoding support for the various formats. K-Lite Codec Pack Full contains even more codecs. This package should be enough for the average user.

K-Lite Codec Pack Standard contains everything you need to play all the commonly used formats.

Also great for including on your movie CDs. It is small enough to fit on a single floppy. It contains everything you need to be able to play the most popular and widespread formats. K-Lite Codec Pack Basic contains only the most essential things. There are three versions of the K-Lite Codec Pack: Basic, Standard and Full. It is a very complete package, containing everything you need to play your movies. It has been very well tested, so that the package doesn't contain any conflicting codecs. It is very user-friendly and the installation is fully customizable, meaning that you can install only those components that you really want. It it always up-to-date with the latest versions of the codecs. The K-Lite Codec Pack has a couple of major advantages compared to other codec packs: With the K-Lite Codec Pack you should be able to play 99% of all the movies that you download from the internet.

The K-Lite Codec Pack is designed as a user-friendly solution for playing all your movie files. Codecs are required to encode and/or decode (play) audio and video. K-Lite Codec Pack is a collection of codecs and related tools.

K lite codec h265