There are many programs and ways to use IPTV playlists.
PC and laptop:
If you want to look on your PC or laptop, you can use VLC Player, Cherry Player, Perfect Player, Kodi or another player that supports m3u playlists.
Smartphone and tablet PC:
There are many different readers for smartphones and tablets, but the most popular players are GSE IPTV Player, VLC Player, IPTV Smarters or MX Player.
Smart TV and television:
For Smart TV, you can use the Smart IPTV or OTTplayer application. You can find them in the Samsung or LG application stores and download them. If you want to watch normal television, you will need a multimedia box like a MAG device or another device.