The , specifically known as the v100 Platform Toolset , represent a critical legacy component for developers maintaining older C++ applications or those requiring strict binary compatibility with the Visual Studio 2010 runtime environment. The Persistence of Legacy Toolsets
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and Windows Server 2003, which newer toolsets may require special "XP" variants to support. Build Environment Consistency: Visual Studio 2010 Build Tools V100 Download
If your project requires MFC or ATL , you must install the full Visual Studio 2010 IDE, as the SDK does not include these proprietary libraries. The , specifically known as the v100 Platform