Guess what? Windows 10 (Pro) has TCP tunnels!

Documentation is available here. All the following commands must be run as an administrator.

To create a tunnel

netsh interface portproxy add v4tov4 listenport=80 listenaddress=127.0.0.1 connectport=9003 connectaddress=127.0.0.1

To remove a tunnel

netsh interface portproxy delete v4tov4 listenport=80 listenaddress=127.0.0.1