Il faut savoir que c'est une info qui n'est pas confirmée par Mackie - j'ai pu contacter le service client car je viens d'acheter une C4 Pro neuve aux Etats-Unis, donc que j'ai enregistrée sur le site Mackie, etc.. :
"The C4 commander software has not been developed anymore since the C4 was discontinued. That means you could be lucky that it works with the most recent operating systems, but there is no guarantee and it is only supported up to Windows XP and the corresponding Mac OS X.
I hope this answers your questions alright. All the best.