Many people in the WINDOWS7 system do not know how to open Telnet service, indeed, in the era of Advanced network information, Telnet is a very useful network protocol. No more nonsense, to teach you how to open the Telnet service under the Win7 system.
Click the Start button, open the Control Panel, and click on Program and feature options.
Click on the left side to turn on or off Windows features.
Check the Telnet server and Telnet client, and then determine.
The settings are already in effect, let's take a look at the command prompt and enter the telnet command directly to show success.