+ from https://www.visualstudio.com/. Make sure that the following two
+ features are selected for installation:
+ - "Visual C++" from "Programming languages" (only the first option
+ "Common Tools for Visual C++ 2015" is needed)
+ - "Tools and Windows SDKs" from "Windows 8.1 and Windows Phone 8.0/8.1 Tools"
+ The latter one requires Windows 8.1. If you use an older windows version
+ please install the "Windows Software Development Kit (SDK) für Windows 8.1"
+ from https://developer.microsoft.com/en-us/windows/downloads/windows-8-1-sdk.
+ This version requires at least Windows 7.
+ If the build complains later that it cannot find the file
+ C:\Microsoft.Cpp.Default.props then the SDK is not installed properly.