That was the missing piece, thank you!
He was able to install that and everything ran flawlessly.
Thanks everyone! =-)
PS: For anyone else that comes across this, what was required to install is as follows.
Monogame (version 3.7.1 as of today)
C++ redistributable 2012 x64
C++ redistributable 2013 x64
Visual Studio 2017 Community Edition with C# and C++ options checked