vcredist_x64.exe：表示 Visual C++ Redistributable x64，用于安装由Visual Studio开发的C/C++程序运行时依赖的一些组件。
The Visual C++ Redistributable Packages install run-time components that are required to run C++ applications that are built by using Visual Studio 2013.https://www.microsoft.com/en-us/download/details.aspx?id=40784
Visual C++重发布包用于安装由Visual Studio编译出的C++程序所需的运行时组件。
The Visual C++ Redistributable Packages install run-time components that are required to run applications that are developed by using Visual Studio 2013, on computers that don't have Visual Studio 2013 installed. These packages install run-time components of these libraries: C Runtime (CRT), Standard C++, ATL, MFC, C++ AMP, and OpenMP. For an updated version of these redistributable packages, see KB 3138367.
Visual C++重发布包用于在没有安装Visual Studio的电脑上安装由Visual Studio开发的程序运行时所需的组件。这些包安装的运行时组件包括：C运行时（CRT）、标准C++、ATL、MFC、C++ AMP，以及OpenMP。