Go to the directoy where you have the game installed and find the "relaunch" folder.
Cut everything from there and paste it into the Co H folder - the one where are all the folders I mentioned aboved (there is also the v Co H launch icon there).
Same as COH patches, you need to install the patches from the 1st to the latest. Thanks for the kind reply, but my question has not been answered yet.
Same as COH patches, you need to install the patches from the 1st to the latest. New players can also use full version download (no need to install 126.96.36.199 before), be warned, its quite big (1.7 GB), if you already had 188.8.131.52 or higher, you don't need this: Full 184.108.40.206 installation - Mediafire | MODDB | Rapid Gator Brother from another mother! Campaign actually too, but if you started BK mod and now start a campaign the game will crash.
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