I know I purchased a full version of MixVibes, quite some time ago, but I haven't used it for a while and I can't seem to place my serial number anywhere. I only see a serial for what I believe is a version I got with ION Discover DJ. I have definitely moved on to a better controller since then.
not shure how you purched it ,,if it was from the web shop/online purches ,, did you save the comfirmation e mail ,, if so that might get you re established other than that ,,you regerstered your ion purched software ,, still eligible to get the software again at up grade price ,, let us know
not shure how you purched it ,,if it was from the web shop/online purches ,, did you save the comfirmation e mail ,, if so that might get you re established 
