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.

• Os X El Capitan 10.11.0 Bootable Usb
• Os X El Capitan Usb Bootable Usb
• Os X El Capitan Usb Bootable Windows 10

Creating the Install OS X El Capitan.app on a mac that came with a newer OS than El Capitan.

If you have a spare USB flash drive laying around, you should consider putting it to good use by creating a bootable installation drive for the OS X El Capitan Beta. Creating a bootable drive has many benefits and uses. For starters, it makes it easy to install a fresh copy of whatever operating system you have configured on the drive. Bootable USB Stick - macOS X El Capitan 10.11 - Full OS Install, Reinstall, Recovery and Upgrade SANDISK USB FLASH DRIVE 2.0/3.1 - 16GB - 5 years warranty Latest certificate (expires These USBs are NOT produced by Apple.

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.

In there you will see an item called Distribution, Control-click on that and select Open With

go to Other and select Text Edit.

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,

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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,

Os X El Capitan Usb Bootable Usb

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..

Os X El Capitan Usb Bootable Windows 10

Jan 15, 2020 12:58 AM