求翻译：Free PlayersTo 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 channels with 'Page' links you may need to install Adobe's Flash, Microsoft's Silverlight or Apple's Quicktime. On many platforms (including Windows, Mac OS and Linux) TV channels can be played using VLC or MPlayer.是什么意思？

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