Unable to install Visual Studio 2015 Release Candidate on Windows Server 2012 R2

I was recently attempting to install Visual Studio 2015 Release Candidate on Windows Server 2012 R2 when I was suddenly faced with the following installation error message:

This directed me to this location to download the appropriate April 2014 Update:

https://support.microsoft.com/en-us/kb/2919355/

Which, in turn, directed me here:

https://www.microsoft.com/en-us/download/details.aspx?id=42334

Well, after using Opera to download the various patches available as part of this download, I attempted to install the main executable and received the following error message:

After doing some searching for similar issues on the Internet, I determined that I needed to first install this update first (KB 2919442):

https://support.microsoft.com/en-us/kb/2919442

https://www.microsoft.com/en-us/download/details.aspx?id=42162

https://www.microsoft.com/en-us/download/details.aspx?id=42153

Once I did that, I could then install KB 2919355:

I then went ahead and installed all of the other hotfixes in the KB2919355 Update, rebooted and re-tried the Visual Studio 2015 installation:

Voila!  I could now install Visual Studio 2015 RC on my Windows Server 2012 R2 machine!!