Instructions for building under Windows This section gives detailed instructions for how to build GHC from source on your Windows machine. Similar instructions for installing and running GHC may be found in the user guide. Make sure you read the preceding section on platforms before reading section. You don't need Cygwin or MSYS to use GHC, but you do need one or the other to build GHC
Mintty is a terminal emulator for Cygwin and Cygwin derivatives such as MSYS. It can be downloaded from here or it can be installed through Cygwin's setup.exe program, where it can be found in the Shells category. The Cygwin installer creates a shortcut for mintty in the Windows start menu.
copSSH is an ssh server and client implementation for windows systems. It is a yet another packaging of portable openssh, cygwin, some popular utilites, plus implementation of some best practices regarding security. You can use COPSSH for remote administr