After installation you will need to perform some additional tasks yourself to ensure your Min GW applications will run.
Most importantly, you will need to make changes to your PATH environment variable.
MSYS2 is a complete opensource development environment shell solution system.
It can obtain related all toolchains & dependency packages from "Min GW-builds" and MSYS2 REPO, for compiling/building other software.
An alternative called Min GW-w64 was created by a different author to include several new APIs and provide 64-bit support.
The numbers were dropped in order to avoid the implication that it would be limited to producing 32-bit binaries.
MSYS2 together with 32-bit and 64-bit Min GW packages.This project was created to keep track with newer advances of the Cygwin project and the fact that the original MSYS was not able to keep up with Cygwin.MSYS2 is an independent rewrite of MSYS, based on modern Cygwin (POSIX compatibility layer) and Min GW-w64 with the aim of better interoperability with native Windows software.Min GW, being Minimalist, does not, and never will, attempt to provide a POSIX runtime environment for POSIX application deployment on MS-Windows.If you want POSIX application deployment on this platform, please consider Cygwin instead.