Unable to download music on family plan Apple Music

Hi No1228,

You can download music from Apple Music by completing the steps listed here: Add and download music from Apple Music that are also listed below.

"Download music from Apple Music

After you add music to your library, you can download it to your device to listen to offline. Just follow the steps below for your device.

How to download music from Apple Music on your iPhone, iPad, or Android

1. Open the Apple Music app.
2. Add a song, album, or playlist to your library.
3. Touch and hold the song, album, or playlist that you added from Apple Music.
4. Tap Download."

Best regards.