The following examples use the latest release to find MSBuild in Community, Professional, and Enterprise. By default, vswhere will look for Community, Professional, and Enterprise editions of Visual Studio but you can optionally pass a list of products to search. I hope this is helpful to anyone who encountered this issue. MSBuild is an optional component for Visual Studio and also installed with Build Tools. If you couldn’t find that directory in step one, try using the one above. On the next line, replace ‘msbuild’ with the explicit filepath pointing to your version of MSbuild.exe.

Unless you told your computer otherwise at installation time, yours should be at “C:\Program Files (x86)\MSBuild\12.0\Bin\MSbuild.exe”. This solution makes the assumption that you are using the VS2013 build tools. I had some issues getting the batch file to find and run msbuild.exe, and the other forum posts I read were somewhat confusing, so I thought it might be helpful to post my solution in case anyone else has the same problem.

After cloning your fork of the engine to your desired directory and extracting the required files to the UnrealEngine folder, the next step to setting up your build of UE4 is to run the GenerateProjectFiles.bat in the root directory of the engine.