The following project(s) uses an earlier version of the Visual C++ compiler and libraries. The project(s) will be upgraded ...

The following project(s) uses an earlier version of the Visual C++ compiler and libraries. The project(s) will be upgraded to use the Microsoft Visual Studio 2013 compiler and libraries. Any managed or native code project(s) using C++/CLI extensions will be automatically upgraded to target .NET Framework 4.5. Note: If you do not upgrade the project(s), building your project(s) will require the corresponding version of Visual Studio to be installed.