The installer will automatically notify you if it is needed to uninstall an old version first, and offers to do that automatically.

You can simply install on top of your current installation. The regular installers can be used to update any version of the codec pack. Once that is installed, you can install the update above (if it is a newer version). If your current installation is a version older than required by this update pack, then you need to download the latest version of the regular installer here. The minimum required version of your current codec pack installation is mentioned above. The update pack contains all cumulative changes since the last major release of the codec pack. Also check out our beta version page here, where you can often find installers that already have the latest updates integrated. You can download the normal installer of codec pack here. If the Microsoft Edge browser blocks your download, then please click here to read why that can happen on new files, and how to unblock it. K-Lite Codec Pack 17.6.0 and newer (Basic/Standard/Full/Mega) You do not need to install any versions in between. The update pack is cumulative, meaning it contains all changes since that version. The minimum required version of your currently installed codec pack is mentioned below. This update pack is suppossed to be installed on top of the latest version of the codec pack. The update pack below can be used to keep your current installation up-to-date. However, there may be worthwhile updates to some of the included components in between the regular releases of KLCP.

Download k lite mega codec pack 17.2 5