SSH Tunneling is technique by which you can encrypt your traffic and route it accordingly. SSH tunneling has several advantages for e.g you can encrypted your traffic from untrusted network, access unrestricted content in school or university, reduce latency in online games etc.
There are number of applications available to setup SSH Tunneling on windows but they are very complicated to use. Here is an application The Tube which is very easy to use and setup SSH tunneling on Windows.
The Tube has Wizard based setup as well as easy to configure browser and email client to use ssh tunneling