Open the Apple Music app on your device
Sign in with your Apple ID
Find the song, album, or playlist you want to download
Tap the More button or the Download button next to the item
To download a song, tap the Download icon if available
To download an album or playlist, open it and tap Download
Wait for the download to finish
Access downloaded music in your Library
Make sure you have an active Apple Music subscription
Check that your device has enough storage space
Use Wi-Fi if you want to avoid mobile data usage