DVS Installation

According to the installation video, it requires us to send an email to userserial@mixvibes.DJ, is that required?
Also, would you recommend installing the driver for U46mk2 from the installation disk that comes with the package, or the new driver 1.039?
Also, would you recommend installing the driver for U46mk2 from the installation disk that comes with the package, or the new driver 1.039?