If you have the original iLife '11 physical DVD, you can install it from there and then use the Apple Support Downloads page (if still hosted) to apply the 6.0.5 update.
Many of the quirky, predefined vocal and sound effects were removed in the transition to version 10. How to Download GarageBand 6.0.5 Legally garageband 605 download top
Before downloading, you must verify that your Mac's operating system can actually run a 32-bit application. I have Garage Band 6.0.5 - Apple Support Community If you have the original iLife '11 physical
If you are looking to download and install this specific version, here is the essential guide to finding it, checking compatibility, and understanding why it’s still a top choice for many musicians. Why Musicians Still Download GarageBand 6.0.5 I have Garage Band 6
Version 6.0.5 included dedicated podcasting templates and markers that are largely absent in newer versions.
While GarageBand 10 is the current standard, many veteran users prefer version 6.0.5 for several key reasons:
remains one of the most sought-after legacy versions of Apple’s digital audio workstation (DAW). Known as the final release of the "iLife '11" era, it offers a specific workflow and features—like podcasting tools and "Magic GarageBand"—that were famously removed in the more streamlined GarageBand 10.