Modern versions of Visual Studio (2017–2022) use newer toolsets (v141, v142, v143), but developers often need v100 for: Legacy Project Maintenance:
If your modern Visual Studio IDE states that the v100 toolset is missing even after installation, try the following steps: Visual Studio 2010 Build Tools V100 Download
| Scenario | Recommended Method | | :--- | :--- | | | VS2022 Build Tools + v100 component | | Must match exact original v100 CRT/STL headers (no modern linker) | Windows SDK 7.1 (no MFC) | | Need MFC / ATL support without modern VS | VS2010 ISO (Admin deployment) | | One-off developer machine | VS2010 Professional ISO | Modern versions of Visual Studio (2017–2022) use newer