Download ScreenStream, to broadcast your PC screen
ScreenStream is a free program that will let you broadcast your screen for presentations and training sessions.
Features: Let others watch your screen from their own computer; Watch from over the internet or a network; An equivalent of the overhead projector.
You can open ScreenStream and click a button to turn on screen sharing. If you want to watch another person’s screen, you can just type the link address (and optional access code) provided by this person. To stop sharing your screen, open ScreenStream and click the button to turn off screen sharing.
Viewers do not need to install any special software to view your screen. They open it directly with their normal internet browser. ScreenStream supports also optionally streaming audio, so that others can hear what you are saying.
The number of viewers is almost unlimited (the only limit is the size of your bandwidth).