SOURCE PROJECT FOR HISE
IKMultimedia SAMPLETANK 3.7 CS edition can be found here. You need a user account to download and install. There is also a download link at PCWorld for SAMPLETANK 3.7 CS and Free Sounds for it, you can find them here
ORCHESTOOLS ONE works partialy in SAMPLETANK 4 CS for windows but it does not work in OSX version. To learn how to make it work for windows version read these instructions here!
for time being the recommended working version of for use with ORCHESTOOLS ONE library is SAMPLETANK CS 3.7!