: Double-click the downloaded InstallMacOSX.dmg .
This will download a fresh Install OS X El Capitan.app (approximately 6.2 GB) into your Applications folder. immediately after download. mac os x el capitan 10116 installer dmg download fixed
Once you have the .app file in your Applications folder, use a USB drive (at least 8GB) to create a bootable installer. : Double-click the downloaded InstallMacOSX
If you try to run the installer and see an error like "This copy of the Install OS X application can't be verified" or "No packages were eligible for install," it’s because the installer's security certificates expired years ago. mac os x el capitan 10116 installer dmg download fixed
command in Terminal to create a bootable USB installer, which is the most reliable "fixed" method for clean installations. System Compatibility