Hamachi is a free VPN networking tool that enables easy creation of VPN's without having to worry about having static IP addresses or understanding VPN technologies very much. You can download it for free from here: https://secure.logmein.com/products/hamachi/vpn.asp?lang=en While the product is free it comes for free with a number of limitations one of which is it can't be installed as a service unless you pay for a premium subscription. However with the aid of the Windows Resource kit for your platform you should be able to follow this procedure to get it running as a service. The following tutorial will show you how to configure Hamachi to run and automatically connect in Windows 2000, XP, and 2003. Installation: To install Hamachi, simply download and run the install file from the Hamachi website. I recommend installing Hamachi in the default folder and not having it run automatically, especially if you would like to have it run as a service, li...