How does win7 solve the problem that telnet is not an internal or external command

1、telnet stay win7 It is not enabled by default , So we need to start it manually . So first, let's click the start menu , Find the control panel -> Program and function items , Click to open or close Windows function , Pop it out Dialog box ;

2、 change windows Setting takes about a minute , Do not shut down. . After the window is closed, the setting is successful