If you have acquired a massive playlist, don't just dump it into your player. Take these optimization steps:
Download a program like (online) or IPTV-Boss (desktop). These tools allow you to delete groups you don't need. 10000 M3u Playlist
To run a playlist of this size, you need a compatible player that can handle a high volume of entries without crashing. VLC Media Player : The most versatile option. Go to Open Network Stream and paste the M3U URL. If you have acquired a massive playlist, don't