1. Outlook 64-bit compatibility is a big reason but not the only one. It also comes into play in other areas, such as the
Item | Show Explorer Menu and
Explorer Mode. And it could eventually be a benefit to not have to load the
Win32 subsystem or if that is eventually dropped.
2. That is a bug, which is fixed in the latest download.
Regarding the evaluation behavior on an upgrade, that is not so simple considering that the licensing component we're using is no longer being updated and would not easily support this. I think we got your key to you within a couple hours, so hopefully that wasn't too onerous.