As this file is from 2022, it is highly probable that the majority, if not all, of the links are no longer active. How to Use M3U Files (General Guide)
Obtain the file from the source (use caution).
This filename implies it was a free, "all-in-one" iptv list, likely updated or curated around October 12, 2022. The "(4)" suggests it was one part of a multi-file release. Download iptvallfree 12102022 (4) m3u
Downloading and using free M3U files from unverified sources can expose your devices to potential risks, including malware or phishing. Publicly shared playlists, particularly older ones, are frequently outdated and often contain dead links. Understanding M3U IPTV Playlists
You can open M3U files using players like VLC Media Player on a computer or IPTV Smarters , Kodi, or Perfect Player on mobile/streaming devices. As this file is from 2022, it is
IPTV M3U Playlist Links and Codes | PDF | Computing - Scribd
Open the player, select "Add Playlist" or "Load M3U URL," and select the downloaded file. The "(4)" suggests it was one part of a multi-file release
An M3U file is essentially a text file that lists URL addresses for video streams. It is not an executable file (like an .exe or .apk), making it unlikely to contain viruses, though the links it contains can lead to malicious content.