offer advanced features, many legacy applications—particularly those targeting older systems like Windows XP—still rely on the v100 toolset for compatibility. Stack Overflow Downloading the v100 Build Tools
Since the original installer was designed for Windows 7/8, you must follow these exact steps to avoid the infamous message. Visual Studio 2010 Build Tools V100 Download
The "v100" designation refers to the platform toolset associated with Visual Studio 2010. It includes the C++ compiler, linker, and standard libraries necessary to build native Windows applications. Its primary use today is for native multi-targeting offer advanced features