You first need to purchase or install any version of GarageBand '11. The Apple downloads page offers only updates, not full version. The Cupertino-based Mac maker claims that GarageBand 5.0.2 the update is recommended for all users of GarageBand '09. Download Free GarageBand 5.0.2 Software Update.
ApThe new GarageBand is a whole music creation studio right inside your Mac - complete with keyboard, synths, orchestral and percussion instruments, presets for guitar and voice, an entirely redesigned sound library, and virtual session drummers. Apple GarageBand 10.1.1 – Complete recording studio and more.
