Download VLC media player from 

http://www.videolan.org/vlc/index.nl.html

and follow the steps and Install VLC Media Player.

You can download it for different Operating Systems here:

after you download and install VLC base on your Operating system you can start setup steps.

Step 1: When the application is opened press on “Media”.

Step 2: Click on the “Open network stream”.

Step 3: Enter the M3U URL provided by your IPTV distributor and press “Play”.

Note: The progressive IPTV providers give you a dashboard which you can generate your M3U URL in the dashboard. 
Step 4: Now your playlist is loaded, Press the combination between CTRL+L to bring up the playlist. Here you can choose or search for your desired channel and start watching Live TV…