MSYS2 (minimal system 2) is software distribution and a building platform for Windows. It provides a Unix-like environment, a command-line interface and a software repository making it easier to install, use, build and port software on Windows.
pacman -Syuu : Update
Installation
Option 1: Install MYS2 using winget
winget install MSYS2.MSYS2 -i
Option 2: Download and install
Download and install MSYS2 64-bit, which is about 77MB.
Change default text size from 9 to 11.
Run pacman -Syuu