For albums/playlists, tap the button (downward arrow). For individual songs, tap the More Options (three dots) menu and select Download . On Desktop (PC/Mac): Open the Amazon Music desktop application.

High-quality audio files can take up significant space. You can view and manage your storage within the app's settings. If your device runs low on space, automatic features like "Offline Recommendations" may be disabled.

To ensure you are only playing music stored on your device, toggle on Offline Mode in the app settings. This prevents the app from using mobile data to stream content.

You can authorize up to 10 devices to download music for offline use. If you reach this limit, you must deauthorize an old device before adding a new one. Audio Quality and Data Usage

Amazon Music Unlimited supports several audio quality tiers for downloads, allowing you to choose between saving space or maximizing fidelity: YouTube·TechCrackedWeekly