1, click "Start" → "Control Panel" → "Program", "in the program and function" to find and click "Turn on or off Windows features" into the Windows System Feature Settings dialog box. Find and tick "Telnet client" and "Telnet Server", the last "OK" button, wait a moment to complete the installation;
2, the Windows7 system download Telnet Service installation is completed, is disabled by default, also need to start the service. Click on the Win7 desktop in the lower left corner of the circular Start button, in the Win7 Universal search box Input "service", from the search results click the "service" program, into the Win7 service settings;
3, in the Windows7 flagship version of the Service list to find Telnet, you can see its status is disabled;
4, download double-click the Telnet entry or choose "Properties" from the right-click menu, change "Disable" to "manual";
5, back to the list of service items, from the right of the Telnet menu to choose "Start". The Telnet service that Win7 the system downloads is started.