ROCCAT ARVO and win 8

Helloo everbody I got this keyboard for my pc =>http://www.roccat.org/Products/Gaming-Keyboards/ROCCAT-Arvo/

but the software for macros and so on won't work on win 8. it work find on win 7 I can see it aktive in the progess list but I can regonfig or use macros anyone got an idea what to do?