after you download the Codec pack file, you unzip it to a temporary folder.
Delete some files (Korg's and Behringer's in this example) from folders "Codec" and "Maps" if you dont need it.
To install this codec, please copy the included folders "Codec" and "Maps" to the following directory:
Library:Application Support:Propellerhead Software:Remote
C:\Documents and Settings\All Users\Application Data\Propellerhead Software\Remote