Add 2015 and 2017 info.

Author: Colin Robertson

docs/build/building-on-the-command-line.md

@@ -8,11 +8,11 @@ ms.assetid: 7ca9daed-a003-4162-842d-908f79058365
 ---
 # Use the Microsoft C++ toolset from the command line
 
-You can build C and C++ applications on the command line by using tools that are included in Visual Studio. The Microsoft C++ (MSVC) compiler toolset is also downloadable as a free, standalone package that doesn't include the Visual Studio IDE.
+You can build C and C++ applications on the command line by using tools that are included in Visual Studio. The Microsoft C++ (MSVC) compiler toolset is also downloadable as a standalone package that doesn't include the Visual Studio IDE.
 
 ## Download and install the tools
 
-If you only want the command-line toolset, download the [Build Tools for Visual Studio](https://visualstudio.microsoft.com/downloads/#build-tools-for-visual-studio-2019). When you run the downloaded executable, it updates and runs the Visual Studio Installer. To install only the tools you need for C++ development, select the **C++ build tools** workload. You can select optional libraries and toolsets to include under **Installation details**. When you're satisfied with your selections, choose **Install**.
+If you've installed Visual Studio and a C++ workload, you have all the command-line tools. For information on how to install C++ and Visual Studio, see [Install C++ support in Visual Studio](vscpp-step-0-installation.md). If you only want the command-line toolset, download the [Build Tools for Visual Studio](https://visualstudio.microsoft.com/downloads/#build-tools-for-visual-studio-2019). When you run the downloaded executable, it updates and runs the Visual Studio Installer. To install only the tools you need for C++ development, select the **C++ build tools** workload. You can select optional libraries and toolsets to include under **Installation details**. To build code by using the Visual Studio 2015 or 2017 toolsets, select the optional MSVC v140 or MSVC v141 build tools. When you're satisfied with your selections, choose **Install**.
 
 ## How to use the command-line tools