: You can sometimes find physical copies or disk images of iLife '11 on third-party sites or eBay, which includes GarageBand '11 (v6.0.5). This version is highly compatible with El Capitan.
If you're running Mac OS X El Capitan (10.11.6), you can download and install GarageBand from the Mac App Store. Here are the system requirements: garageband mac os x el capitan 10116 download link
Installation Complete.
If GarageBand isn't in your history, log into your Apple ID on a newer Mac that can run the latest GarageBand, "buy" it (it's free), and then return to your El Capitan Mac. It will now appear in your Purchases tab. Alternative: The iLife '11 Physical Media : You can sometimes find physical copies or