If you use pkgutil to expand the InstallMacOSX.pkg it opens to three items, the Distribution file, InstallMacOSX.pkg and Resources. You can alter the Distribution file to ignore the supported platform check, see below.
To create Bootable USB for Mac OS X El Capitan on Windows, you’ll need a few keys things. These are some necessary things that can’t the process can’t be done without. We’ll head over to how to create Bootable USB for macOS X El Capitan on Windows files. The new OS from Mac is here in OS X El Capitan.
Aug 01, 2021 Apple officially released OS X 10.11 El Capitan operating system in September 2015 as an update through Apple App Store. This actualization will update core of your system and preserve your user data. To create bootable USB installer for Mac to Install Mac OS X El Capitan on Windows, on Mac or VirtualBox, you have to create bootable USB flash. All you need to perform the installation is a spare 8GB or larger USB thumb drive, an external drive to back up all your data to (if you have any), and a copy of OS X 10.11 El Capitan. OS X 10.11 El Capitan can be downloaded from the Mac App Store.
Creating the Install OS X El Capitan.app on a mac that came with a newer OS than El Capitan.
Download the InstallMacOSX.dmg from Section 4 of How To Upgrade To El Capitan
Double-click to open InstallMacOSX.dmg to Install MacOSX.pkg.
Drag InstallMacOSX.pkg to the Desktop.
Open Terminal, enter the text
A folder will be created on the Desktop after a while with the contents of the .pkg file.
Os X El Capitan 10.11
In there you will see an item called Distribution, Control-click on that and select Open With
go to Other and select Text Edit.
Download El Capitan To Usb
When the file opens scroll down to the section that reads,
function isSupportedPlatform(){
type in at the end return true; so it now reads as,
function isSupportedPlatform(){return true;
Now click Save and close the document.
Go back to Terminal and enter the text,
press Return, after several minutes, be patient, (check to see if the prompt has returned to Terminal) a new package will be created on the Desktop.
When created double-click on that and an installation window will open where you will now convert the
new InstallElCapitan.pkg to the Install OS X El Capitan.app which will be placed in your Applications folder.
You can now create a bootable USB using the install app and createinstallmedia,
If you have the time I would be grateful if you could give this a trial, it works here on my mac, but I would like confirmation from yourself or any others reading this that the procedure works on macs that came with macOS Sierra or newer pre-installed. Oh and tell me if my description of the procedure is easy to follow and understand..
Jan 15, 2020 12:58 AM