While your query refers to version 2.8.0, the current stable version of the collection (which now includes The Dark Zebra and all other soundsets) is v2.9.4 .
: To use The Dark Zebra and ZebraHZ, you must own a valid license for the base synthesizer, Zebra2 . Current Availability & Updates U-he The Dark Zebra v2.8.0 [WiN-OSX-LiNUX]
: It features over 400 presets , including nearly all Zebra sounds used in the soundtracks for The Dark Knight and The Dark Knight Rises . While your query refers to version 2