MSYS2 is a collection of tools and libraries providing you with an easy-to-use environment for building, installing and running native Windows software.

To provide easy installation of packages and a way to keep them updated it features a package management system called Pacman, which should be familiar to Arch Linux users. It brings many powerful features such as dependency resolution and simple complete system upgrades, as well as straight-forward and reproducible package building. Our package repository contains more than 3700 pre-built packages ready to install.