@heomeco2014: You need to enable Private Messaging. This is in the "Edit Options" of the control panel. If this isn't there, it has to be added somehow. You can try posting in
https://www.mobileread.com/forums/sh...d.php?t=319819 to ask it to be enabled, or contact a moderator.
As to the version, the serial number will show you. Or, when did you buy it? The second version started appearing very late in 2017. Before that, it is a version 1. After that, it is probably a version 2.