If you have downloaded a text file containing these codes, you can use them in several popular IPTV players:
Look for "Add New User" or "Add Playlist" in the settings.
Copy the details exactly as they appear in your .txt file into the corresponding fields in the app. Where to Find and Download These Files
Use apps like IPTV Smarters Pro (available for Android, iOS, and PC), TiviMate , or GSE Smart IPTV .
You can often find these lists on document-sharing platforms or community repositories: How to Add Playlist on IPTV ? - Smarters IPTV Subscription