In order to install coffee script in windows, please download a NODE.JS and install it in your window PC.
After that go to the command prompt. To open command prompt open your start menu and type Command.
A black screen will appear.
Installing Coffee script in windows
npm install -g coffee-script
Congrulations you have successfully install coffee script in windows.
To know more details about compiling, please go through the link Coffee Script Compiler for Windows