To watch free internet TV channels you need a player. Most computer systems come with such a player. Players can also be downloaded or updated free of charge.

To play 'Media' channels on a Windows machine you can use Windows Media Player, on a Mac you need to install the Perian- and Flip4Mac Quicktime components.

'Real' channels can be played using Real Player.

For other channels you may need to install Adobe's Flash, Microsoft's Silverlight or Apple's Quicktime.