windows 8 and keyrig 49

I bought a keyrig 49, I've got Windows 8 with a laptop Asus serie R700V,
I install with the CD, the serial doesn't work, after I use the Update,
he don't ask me the serial number anymore but,
I want to use the Keyrig software, I got no sound...It doesn't work
does anybody have an idea ?
3 people have
this problem
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