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: Downloading pre-made ISOs from unofficial repositories significantly increases the risk of or corrupted system files. Hardware Compatibility download iso mac os x el capitan high quality
: For users with a compatible Mac, the installer can be found by searching for "El Capitan" in the App Store, though it may only appear in your "Purchased" history if you've downloaded it previously. : Often called "rootless," this was a major
If you have the official installer app in your Applications folder, run these Terminal commands to create a perfect ISO: How to Download OS X El Capitan 10.11 (DMG, ISO, APP) If you have the official installer app in
Follow the prompts to "install" the installer. This will place in your Applications folder. 3. Create a Bootable ISO (via Terminal)
: hdiutil attach /tmp/ElCapitan.dmg -noverify -mountpoint /Volumes/install_build