WinRM is intended to help improve your ability to manage your hardware in a network environment. You can use WinRM to help collect data from remote computers. In order to utilize WinRM, you need to run the command WimRM Quickconfig on each client. Well, if you do not want to go to each client you can use group policy to turn on the WinRM listeners.
Computer Configuration / Policies / Administrative Templates / Windows Components / Windows Remote Manager (WinRM) / WinRM Service
Depending on which port you need to listen on, you can enable Turn On Compatibility HTTP Listener for port 80 and Turn On Compatibility HTTPS Listener for port 443. These are for backward compatibility purposes. WinRM2.0 uses port 5986.