Once you have the legitimate Install OS X El Capitan.app , converting it to an ISO is a safe, three-step process using only built-in macOS tools.
Apple generally supports hardware for about 7 to 8 years. If you are holding onto a MacBook Pro from 2007, 2008, or 2009, El Capitan is likely the final destination for your operating system. It is the last OS that supports certain 32-bit architecture nuances and older drivers that were stripped in later updates like macOS Sierra and High Sierra. For these users, an ISO is a lifeline to keep a functional machine running. Mac Os X El Capitan Iso Download
: If you have a compatible Mac, you can still find it on the Mac App Store . System Requirements for El Capitan Once you have the legitimate Install OS X El Capitan
often host ISO and DMG versions for archival purposes and virtual machine (VM) use. 2. System Requirements OS X El Capitan - Technical Specifications - Apple Support It is the last OS that supports certain
Downloading and Installing Mac OS X El Capitan (10.11) Released on September 30, 2015, OS X El Capitan
sudo dd if=/dev/rdisk2 of=~/Desktop/ElCapitan.iso bs=1m
This ISO will work for virtualization but may not be bootable on physical Macs without additional tweaking. For full bootability, use the dd method above.