UniMP3RuntimeLoader With this Repo. you can use WWW as well as UnityWebRequest to download MP3 and play it at runtime . How to use there are 3 demo for you ~ Reference my blog: [Unity 3D]Load Mp3 into Audioclip(跨平台的Mp3加载方案) ... - 简书 r2123b/Load-Mp3-into-Audioclip: instead of UnityEngine.WWW class, load .mp3 file by NLayer, which is cross platforms (Windows, Mac OS, Android, and iOS)