Telnet in the Window 8 system is not installed by default and becomes an optional component that can be added under Enable or disable Windows features.
1, under the system desktop simultaneously hold down the keyboard "Windows" and "X" key to open the System menu, select "Control Panel". See figure below
2, in the "Control Panel" in the upper right corner of the "View", select "Small Icon", "Adjust the computer settings" under Select "Programs and features." See figure below
3, under "Program and function" click on the left side of the "Enable or disable Windows features." See figure below
4, under the pop-up menu to find "Telnet Server" and "Telnet client" and in its front box tick, click "OK". See figure below
5. It takes about dozens of seconds to add a change application. See figure below
6, complete the change, click "Off". See figure below