How to Set Up VPN in Windows 7    VPN (Virtual Private Network) technology lets a computer using a public Internet connection join a private network by way of a secure "tunnel" between that machine and the network. The most common case is a business allowing its employees to connect to its work network from home or from the road.   There are two principal ways to configure VPN. The first and more-common scenario, called outgoing, is setting up a remote computer to call into the office network. The second scenario, called incoming, occurs on the network side, where a computer allows secure connections from other computers. Windows 7 comes preloaded with the Agile VPN client, which makes setting up either kind of connection relatively easy.    Step by Step: Connecting to a VPN (Outgoing)       Step 1  Click the Start button. In the search bar, type VPN and then select Set up a virtual private network (VPN) connection.   Step 2  Enter the IP address or domain name of the se...