Download http://sourceforge.net/p/msys2/wiki/MSYS2%20installation/
pacman -Sy
pacman -S mingw-w64-x86_64-gcc
pacman -S mingw-w64-x86_64-gdb
pacman -S git
pacman -S make
To start in ConEmu:
E:\msys64\usr\bin\sh.exe -c 'MSYSTEM=MSYS exec /bin/sh --login -i'
E:\msys64\usr\bin\sh.exe -c 'MSYSTEM=MINGW64 exec /bin/sh --login -i'
C:\ProgramData\chocolatey\lib\kitty.portable.0.63.2.2\tools\kitty.exe -new_console user@computer