A prompt should appear stating that the current version is incompatible but offering to "Download an older version" that works with your OS. Apple Support Community Workaround if you have NOT "purchased" it before
Relaunch GarageBand. The app will index the newly added files automatically. Fixing the "Stuck Downloading" Loop garageband mac os x el capitan 10116 download extra updated
Many “extra” sounds (like World Music Jam Pack) were paid add-ons in the past. If you never purchased them, they will not appear. However, some legacy free extras can be found via: A prompt should appear stating that the current
If your Apple ID has downloaded any version of GarageBand in the past, Apple allows you to fetch the legacy container directly. Fixing the "Stuck Downloading" Loop Many “extra” sounds
If your GarageBand is trapped in a permanent loop trying to install extra components upon startup, you must clear the corrupted download cache. Quit GarageBand.
