Right-click the file and select "Open with VLC Media Player" for the most reliable playback.
If you are looking for a description or a catchy "About" text to accompany your file, here are a few options depending on the vibe of the content: Option 1: Professional & Clean M3u Playlist2 18-03.m3u
These links are time-sensitive (dated March 18th), so ensure your internet connection is stable for HD streaming. Right-click the file and select "Open with VLC