For El Capitan users, the target software is (or sometimes 10.2, depending on specific hardware support). This was the last version of GarageBand 10 designed to run on older operating systems.
While it's no longer possible to download GarageBand as a separate entity for OS X El Capitan 10.11.6, you can still access it by updating to a newer version of macOS or using alternative options. We hope this helps you get started with your music or audio production journey! Garageband Mac Os X El Capitan 10.11.6 Download
(or click your account name at the bottom left). For El Capitan users, the target software is