Mac-os-x-el-capitan-10-11-1-image-iso |best| Jun 2026

64-bit only (Older 32-bit Macs cannot run El Capitan). Release Date: October 21, 2015.

The command above creates a .cdr file. Rename it: mac-os-x-el-capitan-10-11-1-image-iso

When Apple released OS X El Capitan 10.11.1 (build 15B42), it wasn’t just a minor bug-fix patch. It introduced: 64-bit only (Older 32-bit Macs cannot run El Capitan)