Installation: Quick Installation: Download Already Patched Maps : This has the map files ready to go, although this is a 4.9GB download, all you need to do is just need to paste into (MCC Directory\haloreach\maps) folder. Make sure to backup the files you are replacing.

Longer Installation: Download Map Patches: The Map patches file contains just the changes to maps that are needed, which makes it a much smaller download at 7.6MB, but you will need to patch the maps yourself, which takes about 5 minutes and a tutorial for is here: