How-To "Install Telnet on a Windows computer"

Since Telnet is not installed by default in Windows we can do so using the following procedure:

a. we press Start and then type cmd, Right-click on it and choose "Run As Administrator".

b. we execute the command: 

dism /online /Enable-Feature /FeatureName:TelnetClient

and the telnet utility is ready to be executed as a command from the command prompt!!!