Install node.js on heroku

Install node.js on heroku

I simply followed the getting started with nodejs tutorial from Heroku.
https://devcenter.heroku.com/articles/getting-started-with-nodejs#declare-process-types-with-procfile
But I get an error at the part "declare process types with procfile" My
problem is that my cmd (using windows 7) didn't find the command "foreman"
Any solutions ? I downloaded/installed the heroku toolbelt, the login
works fine, but foreman dont