IPTV converts a television signal into small packets of computer data like any other form of online traffic such as email or a web page.
First, the only thing you need for Watching IPTV channels using your computer is an IPTV player that allows you to create and share playlists, view TV channels from around the world, record streams and play multimedia files.
VLC is one of them (Recommended)
Watch IPTV Channels Free with VLC Media Player
VLC can be a nice application for those who want to stream and record online TV channels simply just copy the link and paste into your media player and enjoy watching Live TV on your computer.