Four hours after thanking them for the tip about getting past the login SNAFU and asking them for further help with getting the game to actually RUN
I got a response from them asking for copies of my DxDiag file and my "msinfo32"
I sent them both within an hour of receiving their response. Now the ball's back in their court.
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If I can't be a good example, I'll be a glaring warning!

AMD Ryzen 7 2700X Eight-Core Processor, 3700 Mhz, 8 Core(s), 16 Logical Processor(s)
Windows 10 Home
Installed Physical Memory (RAM) 16.0 GB
NVidia RTX2070 16 Gig