Unzipping software like The Unarchiver

GarageBand ’09
Mac computer with an Intel, PowerPC G5, or PowerPC G4 (867MHz or faster) processor.
512MB of RAM (1GB recommended)
Mac OS X v10.5.6 or later

GarageBand ’11
Mac with Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor
4 GB RAM with i3 processor (or faster)
Mac OS X Mavericks v10.9 or later

Posted in: GarageBand Technical Questions