NVIDIA GameWorks Integration

Has anyone figured out how to set things up with VS2015? I’ve been following the steps on page as best as I could:
/tree/FleX

1: git clone .git
Well, I got the zip.

2a: You should now be on the release branch.
Yep that’s what I got as a zip.

2b: Run setup.bat.
It ran without errors.

2c: You can now run GenerateProjectFiles.bat
“ERROR: We couldn’t find a valid installation of Visual Studio. program requires either Visual Studio 2013 or Visual Studio 2012.”
The 14.0 common tools path is there. What should I try next?