The safest and most reliable way to "download" an Alan Walker playlist is through a premium subscription on these platforms:

Once you have purchased MP3s, you can move them to your player: your device to your computer via USB. Locate the downloaded MP3 files in your "Downloads" folder. Drag and drop the files into your device's "Music" folder. Refresh your media player library to see the new playlist.

If you want to own the MP3 files permanently to use on any device:

: Add songs to your library and download them for local storage.