Through the use of VNC and port-forwarding, you can control your Windows Vista or Windows XP computer from inside and outside your local area network. For the purposes of this tutorial, assume you have a Windows XP laptop and you have Windows Vista installed on your desktop, and you want to have complete control of your Windows Vista desktop computer from your Windows XP laptop. A screenshot of this is shown here:
The first step is to install TightVNC. TightVNC needs to be installed on both the Windows XP computer and the Windows Vista computer. You can download TightVNC from the TightVNC homepage. I will first demonstrate how to setup TightVNC in Windows Vista.