Summary:  How to install Telnet client by command linE.  The information below is valid for Windows 7, Windows Server 2008R2, or Windows Vista.

To install Telnet Client by using a command line

1. Open a command prompt window. Click Start, type cmd in the Start Search box, and then press ENTER.
2. Type the following command:
   pkgmgr /iu:"TelnetClient"