Microsoft C Runtime -

Even if you write “modern C++” (using std::vector, std::string, std::unique_ptr), the CRT is still there underneath:

For most Windows C++ developers, the default choice today is: Dynamic linking (/MD in Release, /MDd in Debug) and rely on the Universal CRT. microsoft c runtime

The CRT implements the standards defined by ANSI C89, ISO C99, and ISO C11. This ensures code portability. If you write code using standard functions, it should compile and run on Windows just as it would on Linux or macOS (assuming no platform-specific extensions are used). Even if you write “modern C++” (using std::vector

Microsoft continues to maintain UCRT as part of Windows (via ucrtbase.dll). Recent trends: For most Windows C++ developers, the default choice

| Visual Studio | CRT DLL(s) | Modern name | |---------------|------------|--------------| | VS 2005 | msvcr80.dll | Legacy | | VS 2008 | msvcr90.dll | Legacy | | VS 2010-2013 | msvcr100.dll – msvcr120.dll | Legacy | | VS 2015+ | ucrtbase.dll + vcruntime140.dll | Universal CRT |