Starflow is a Node module, so Node must be installed on your machine. Check out the Download section of the Node official website!
Install Starflow as a dev dependency of your project using npm:
npm install --save-dev starflow
That's it, you can now require Starflow in any module to let it process your workflow tasks.
Starflow is now ready to read and process your workflow(s), but how? Check out the How to use it section!