You do NOT need all the programs.
Most computers already have Windows Media Player and Real Player.
MEDIA PLAYERS 
Windows Media Player                                                                     Download Software Here       
Real Media Player                                                                            Download Software Here 
VLC Player                                                                                       Download Software Here
Winamp                                                                                            Download Software Here

MAIN P2P STREAMING PROGRAMS
PPLive 1.1.0.7                                                                                  Download Software Here
SOPCAST                                                                                        Download Software Here
PPStream                                                                                         Download Software Here
TVKoo - This program is easy to use
               and requires no installation,
               thus there is no guide!                                                       Download Software Here 
TOOLS
WinZip - Required to open some
              of the programs, e.g. SOPCAST                                         Download Software Here 
If a particular program does not work as expected, please turn OFF your firewall