MinGW - Minimalist GNU for Windows
Download MinGW - Minimalist GNU for Windows for free. A native Windows port of the GNU Compiler Collection (GCC) This project is in the process of moving to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), with freely distributable import libraries and header files for building native Windows applications;
https://sourceforge.net/projects/mingw/