(I posted wrong info before this...)
Here's how to proceed with that InstallMacOSX.dmg :
1. Open that file, which will mount on your desktop as a folder "Install OS X"
2. Open the package file "InstallMacOSX.pkg", which will launch your installer app. Choose to install.
What happens now? The Install only puts the installer app for El Capitan in your Applications folder.
The El Cap system does not actually install - just makes (installs) the installer app "Install OS X El Capitan"
That's your full installer app. You use that to make a bootable installer, following the steps.
You should first make a copy of that installer app to keep on a separate drive. If you want to run it now, a successful install will delete that installer app from your Applications folder, so make a safety copy first
Here's how to proceed with that InstallMacOSX.dmg :
1. Open that file, which will mount on your desktop as a folder "Install OS X"
2. Open the package file "InstallMacOSX.pkg", which will launch your installer app. Choose to install.
What happens now? The Install only puts the installer app for El Capitan in your Applications folder.
The El Cap system does not actually install - just makes (installs) the installer app "Install OS X El Capitan"
That's your full installer app. You use that to make a bootable installer, following the steps.
You should first make a copy of that installer app to keep on a separate drive. If you want to run it now, a successful install will delete that installer app from your Applications folder, so make a safety copy first
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