You can use the Windows Telnet program to remotely connect to other computers across the Internet so that you can open programs as if you were sitting in front of that computer. Some common uses of Telnet are to access email, databases and files on a remote server. Unlike some other connection methods, Telnet lets you connect to computers running different operating systems such as Linux and Unix. While the default Telnet port is 23, you can specify a different port when you open a new connection with the Windows Telnet Client.
Install Telnet in Windows 7 or Vista by clicking the "Start" button. Click "Control Panel" followed by "Programs." Finally, click "Turn Windows features on or off." Type your administrator password if necessary. Select "Telnet Client" in the "Windows Features" window and click "OK." Telnet is installed by default in Windows XP.
Click the "Start" button, type "cmd" in the "Search" box and click "OK." Doing so opens the command prompt window. This is required because Telnet is a text-based program.
Type "telnet remoteserver.com 44" and press the "Enter" key to connect to a server. Replace "remoteserver.com" with the address of the server you want to connect to. Replace "44" with the port number. Alternatively, you can type "telnet" and press the "Enter" key to open the "Telnet Client" window. This will allow you to connect to a server by typing "open remoteserver.com 44."