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        <title>How to Create Bootable MacOS Installation ISO</title>
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            <h1>How to Create Bootable MacOS Installation ISO</h1>
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          <h2>Things You Will need</h2>

<ul>
	<li>An existing MacOS Device or VM</li>
	<li>30-40 GB of free disk space</li>
</ul>

<h2>Creating the Bootable .iso</h2>

<ol>
	<li>Download the MacOS install from the Mac App Store<br />
	<span style="font-size:0.7em;"><em>NOTE: the easiest way to find them is to use a search engine, for example:<br />
	macos monterey site:apps.apple.com</em></span></li>
	<li>Click the Get button</li>
	<li>Wait for Software Update to find the update</li>
	<li>When prompted, click Download</li>
	<li>Wait for the download to complete</li>
	<li>Once the download completes, quit the installation if its starts</li>
	<li>Start LaunchPad from the dock</li>
	<li>Search terminal &gt; Click Terminal to launch it</li>
	<li>Run the following commands in terminal, altering the MacOS Installer name as needed
	<div class="codeBlock CMD"># create temporary disk image, make sure its larger than the downloaded installer<br />
	hdiutil create -o /tmp/macOS -size 15000m -volname macOS -layout SPUD -fs HFS+J<br />
	# mount the temporary disk image<br />
	hdiutil attach /tmp/macOS.dmg -noverify -mountpoint /Volumes/macOSISO<br />
	# use createinstallationmedia utility to copy files<br />
	sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia --volume /Volumes/macOSISO --nointeraction<br />
	# unmount the temporary disk image, alter the OS name as needed<br />
	hdiutil detach -force /Volumes/Install\ macOS\ Monterey<br />
	# convert the disk image to .iso<br />
	hdiutil convert /tmp/macOS.dmg -format UDTO -o ~/Desktop/macOS.cdr<br />
	# change the extension from .cdr to .iso<br />
	mv ~/Desktop/macOS.cdr ~/Desktop/macOS.iso</div>
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