Windows metasploit shell upgrade to a meterpreter shell Metasploit tip

I wanted show how to upgrade a standard Metasploit Windows shell to a meterpreter shell.
 Once you have Metasploit Windows shell simply type sessions -l to list all sessions. Find the session you wish to upgrade with its number and type sessions -u session number.
Video: http://youtu.be/UdFwRGdoAsU