Lane Campbell added the comment:
Thanks Eryk, in case this helps anyone else the system is a new install of
Windows 2012 R2 as of this week that I updated with all applicable Windows
updates.
I tried your approach and succeeded after got the following for two of your
packages:
KB2919442
New submission from Lane Campbell:
When trying to install Python 3.6 using the "python-3.6.0-amd64.exe" installer
on Windows 2012 R2 I encounter a failure.
I'm flagging the options in the installer for:
Customize Installation
Add Python 3.6 to PATH
Leaving all Optional Feature