- Microsoft C/C++ Optimizing Compiler and Linker. These are the same compiler and linker that ship with Visual Studio .NET 2003 Professional!
- C Runtime Library and the C++ Standard Library, including the Standard Template Library. These are the same static-link libraries included with Visual Studio.
- Microsoft .NET Framework Common Language Runtime. Visual C++ can optionally build applications that target the Common Language Runtime (CLR).
- Sample code. The toolkit includes four samples designed to showcase the powerful new features of the 2003 version, including new optimization capabilities, features to improve code-security and robustness, enhanced ISO C++ standards support, and the ability to use the .NET Framework library and target the CLR.

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