: Enhanced graphics performance and added support for external GPUs (eGPUs). HEVC Support
#!/bin/bash hdiutil create -o /tmp/HighSierra -size 5600m -layout SPUD -fs HFS+J -type SPARSE hdiutil attach /tmp/HighSierra.sparseimage -noverify -mountpoint /Volumes/install_build sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/install_build hdiutil detach /Volumes/Install\ macOS\ High\ Sierra/ hdiutil convert /tmp/HighSierra.sparseimage -format UDTO -o /tmp/HighSierra.iso mv /tmp/HighSierra.iso.cdr ~/Desktop/HighSierra.iso rm /tmp/HighSierra.sparseimage
macOS High Sierra (10.13.6) is the final iteration of the High Sierra operating system, released on July 9, 2018 . It is frequently sought in ISO or DMG format for virtual machines (VMs) clean installations older Intel Macs that cannot support newer software like Mojave or Big Sur. Core Features of macOS High Sierra 10.13.6
This step copies the entire installer application to the mounted volume. The createinstallmedia command is a hidden tool inside the installer that makes a volume bootable. Macos High Sierra 10.13.6.iso
mv /tmp/HighSierra.cdr ~/Desktop/macOS_High_Sierra_10.13.6.iso Use code with caution.
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Step-by-Step: Creating a macOS High Sierra ISO from the Mac App Store : Enhanced graphics performance and added support for
Under the settings, mount your HighSierra.iso file into the virtual optical drive.
AirPlay 2 multi-room audio, iTunes stability fixes, Safari 11 updates Methods to Obtain a macOS High Sierra ISO
Move the final file to your desktop and change its extension from .cdr to .iso : mv /tmp/HighSierra.cdr ~/Desktop/HighSierra.iso Use code with caution. Core Features of macOS High Sierra 10
It is crucial to obtain macOS software from legitimate sources. Downloading ISOs from third-party websites is risky, as these files can be modified to include malware, spyware, or other malicious code. The safest and only recommended approach is to download the official installer from Apple and then convert it into an ISO file yourself.
Once downloaded, the file will be named Install macOS High Sierra.app . By default, it should be located in your Applications folder.
Version 10.13.6 is not just the final major update; it is the last version of macOS High Sierra. Apple issued its final security update for the operating system, Security Update 2020-006 (build 17G14042), on November 12, 2020. This was the end of support. As of that date, Apple has ceased providing any security patches for this system.
Ensure the file "Install macOS High Sierra.app" is located in your /Applications folder before proceeding. 2. Create the ISO via Terminal Using Terminal ( /Applications/Utilities/ ), run these commands to create the ISO: macOS High Sierra - App Store