Double-click InstallESD.dmg to mount it. It will appear as a volume named “OS X Install ESD”.
Here is how to find a safe image and make it work for your specific setup. 1. Where to Get a Working ISO Apple officially provides El Capitan as a file, not an . If you find a file named macosxelcapitan10111imageiso , it is likely a community-created conversion. Official Source: You can still download the official El Capitan installer from Apple Support. It will download as InstallMacOSX.dmg ISO Alternatives: macosxelcapitan10111imageiso work
To find a working image or create a bootable installer for , you should use official sources rather than unverified "posts." 1. Download Official macOS El Capitan Double-click InstallESD
hdiutil create -o /tmp/ElCapitan -size 8000m -volname ElCapitan -layout SPUD -fs HFS+J Official Source: You can still download the official
: Apple provides older macOS versions through their official support page .