VLC Media Player is the best, free tool. Simply drag and drop the .m3u file into the VLC window.

To give you a better, more tailored guide, could you tell me: are you using (Android TV, phone, PC)? Which player app do you prefer (e.g., VLC, IPTV Smarters)?

Ensure the file ends with .m3u or .m3u8 and not .exe or any executable format. 2. Opening the M3U File

You will need an IPTV player or a media player that supports network streams.