直接搜索msys2，然后到官网www.msys2.org下载最新的安装包，根据下面的过程进行安装（最好依据官网最新安装说明，此处可能不是最新），最后将路径加上类似C:\msys64\usr\bin的目录即可。
MSYS2 is a collection of tools and libraries providing you with an easy-to-use environment for building, installing and running native Windows software.
It consists of a command line terminal called mintty, bash, version control systems like git and subversion, tools like tar and awk and even build systems like autotools, all based on a modified version of Cygwin. Despite some of these central parts being based on Cygwin, the main focus of MSYS2 is to provide a build environment for native Windows software and the Cygwin-using parts are kept at a minimum. MSYS2 provides up-to-date native builds for GCC, mingw-w64, CPython, CMake, Meson, OpenSSL, FFmpeg, Rust, Ruby, just to name a few.
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 2500 pre-built packages ready to install.
For more details see 'What is MSYS2?' which also compares MSYS2 to other software distributions and development environments like Cygwin, WSL, Chocolatey, Scoop, ... and 'Who Is Using MSYS2?' to see which projects are using MSYS2 and what for.
Installation
Download the installer: msys2-x86_64-20220128.exe
Verify with SHA256 checksum 7d1e86477213c64dfc8fa2c28b891f878576db171df53f18014bb8679c7faa3e or GPG signature by 0xf7a49b0ec.
Run the installer. MSYS2 requires 64 bit Windows 7 or newer.
Enter your desired Installation Folder (short ASCII-only path on a NTFS volume, no accents, no spaces, no symlinks, no subst or network drives, no FAT).
When done, tick Run MSYS2 now.
Update the package database and base packages. Unless your setup file is very recent, it will take two steps. First run pacman -Syu:
$ pacman -Syu
:: Synchronizing package databases...
mingw32 805.0 KiB
mingw32.sig 438.0 B
mingw64 807.9 KiB
mingw64.sig 438.0 B
msys 289.3 KiB
msys.sig 438.0 B
:: Starting core system upgrade...
warning: terminate other MSYS2 programs before proceeding
resolving dependencies...
looking for conflicting packages...
Packages (6) bash-5.1.004-1 filesystem-2021.01-1
mintty-1~3.4.4-1 msys2-runtime-3.1.7-4
pacman-5.2.2-9 pacman-mirrors-20201208-1
Total Download Size: 11.05 MiB
Total Installed Size: 53.92 MiB
Net Upgrade Size: -1.24 MiB
:: Proceed with installation? [Y/n]
:: Retrieving packages...
bash-5.1.004-1-x86_64 2.3 MiB
filesystem-2021.01-1-any 33.2 KiB
mintty-1~3.4.4-1-x86_64 767.2 KiB
msys2-runtime-3.1.7-4-x86_64 2.6 MiB
pacman-mirrors-20201208-1-any 3.8 KiB
pacman-5.2.2-9-x86_64 5.4 MiB
(6/6) checking keys in keyring 100%
(6/6) checking package integrity 100%
(6/6) loading package files 100%
(6/6) checking for file conflicts 100%
(6/6) checking available disk space 100%
:: Processing package changes...
(1/6) upgrading bash 100%
(2/6) upgrading filesystem 100%
(3/6) upgrading mintty 100%
(4/6) upgrading msys2-runtime 100%
(5/6) upgrading pacman-mirrors 100%
(6/6) upgrading pacman 100%
:: To complete this update all MSYS2 processes including this terminal will be closed. Confirm to proceed [Y/n]
Run "MSYS2 MSYS" from Start menu. Update the rest of the base packages with pacman -Su:
$ pacman -Su
:: Starting core system upgrade...
there is nothing to do
:: Starting full system upgrade...
resolving dependencies...
looking for conflicting packages...
Packages (20) base-2020.12-1 bsdtar-3.5.0-1
[... more packages listed ...]
Total Download Size: 12.82 MiB
Total Installed Size: 44.25 MiB
Net Upgrade Size: 3.01 MiB
:: Proceed with installation? [Y/n]
[... downloading and installation continues ...]
Now MSYS2 is ready for you. You will probably want to install some tools and the mingw-w64 GCC to start compiling:
$ pacman -S --needed base-devel mingw-w64-x86_64-toolchain
warning: file-5.39-2 is up to date -- skipping
[... more warnings ...]
:: There are 48 members in group base-devel:
:: Repository msys
1) asciidoc 2) autoconf 3) autoconf2.13 4) autogen
[... more packages listed ...]
Enter a selection (default=all):
:: There are 19 members in group mingw-w64-x86_64-toolchain:
:: Repository mingw64
1) mingw-w64-x86_64-binutils 2) mingw-w64-x86_64-crt-git
[... more packages listed ...]
Enter a selection (default=all):
resolving dependencies...
looking for conflicting packages...
Packages (123) docbook-xml-4.5-2 docbook-xsl-1.79.2-1
[... more packages listed ...]
m4-1.4.18-2 make-4.3-1 man-db-2.9.3-1
mingw-w64-x86_64-binutils-2.35.1-3
mingw-w64-x86_64-crt-git-9.0.0.6090.ad98746a-1
mingw-w64-x86_64-gcc-10.2.0-6
mingw-w64-x86_64-gcc-ada-10.2.0-6
mingw-w64-x86_64-gcc-fortran-10.2.0-6
mingw-w64-x86_64-gcc-libgfortran-10.2.0-6
mingw-w64-x86_64-gcc-libs-10.2.0-6
mingw-w64-x86_64-gcc-objc-10.2.0-6
mingw-w64-x86_64-gdb-10.1-2
mingw-w64-x86_64-gdb-multiarch-10.1-2
[... more packages listed ...]
Total Download Size: 196.15 MiB
Total Installed Size: 1254.96 MiB
:: Proceed with installation? [Y/n]
[... downloading and installation continues ...]
To start building using the mingw-w64 GCC, close this window and run "MSYS MinGW 64-bit" from Start menu. Now you can call make or gcc to build software for Windows.
Check out the introduction page to learn which Start menu item to use when and which packages to install. Take look at Detailed MSYS2 install guide for troubleshooting and additional details on how to keep your MSYS2 up-to-date.
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