I am following the tutorial at <http://qt-project.org/doc/qt-4.8/deployment-windows.html> to deploy a qt application and I am trying to run the configure command in the first step. My system cannot seem to find the command. I have run the command from windows command prompt, git bash, and msys. I don't really understand what the configure command does or where it comes from. Can anyone explain what it does & where I can get it?