# Create a disk image from the installer hdiutil create -o /tmp/HighSierra -size 8g -layout SPUD -fs HFS+J -type SPARSE # Mount the sparse image hdiutil attach /tmp/HighSierra.sparseimage -mountpoint /Volumes/install_build # Copy installer to the volume sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/install_build --nointeraction # Convert to ISO hdiutil convert /tmp/HighSierra.sparseimage -format UDTO -o ~/Desktop/HighSierra.iso
If you already have High Sierra installed, you can download the macOS 10.13.5 Combo Update
In Settings > Storage, add a virtual optical drive and select the 10.13.5 ISO. Configure the VM to use EFI. Important Considerations (2026) macos high sierra 10.13.5.iso
Elias spent weeks scouring the internet. While Apple still officially hosts many of its older installers through the Mac App Store , finding a pristine .iso of version was a different challenge. Most official downloads come as .app files, meant to be run on a live system, but Elias needed a bootable image for his specialized virtualization project.
Released in June 2018, macOS High Sierra 10.13.5 is the fifth major update to Apple's 14th desktop operating system. It brought stability improvements and significant features. Key Features and Fixes in 10.13.5 # Create a disk image from the installer
user wants a comprehensive article on "macOS High Sierra 10.13.5.iso". This likely covers what it is, how to obtain it legally, how to create an ISO from the installer, and uses for virtualization. I need to gather information from various sources. I'll search for relevant pages. search results show various pages. I need to open relevant ones to gather detailed information. The results include Apple support pages for updates, GitHub scripts for creating ISO images, guides for virtualization, and other resources. I'll open several to cover different aspects. search results provide a good mix of official update downloads, community scripts for ISO creation, and virtualization guides. The user's question has high authority requirements, I should prioritize using official sources for legal downloading and security information. Now, I need to structure the article. The article will cover several key aspects: what macOS High Sierra 10.13.5 is, why someone would need an ISO version, official update downloads, how to obtain the full installer, how to create an ISO file using Terminal or scripts, using it for virtualization, compatibility and system requirements, legal notes, and troubleshooting. I'll also incorporate information from the search results to cover each section. I'll write the article now.Disclaimer:** This article provides information on how to obtain and create a macOS High Sierra installer. Ensure you are complying with Apple's software license agreement. Using macOS on non-Apple hardware via virtualization may violate Apple's End User License Agreement (EULA) and is not recommended for general users.
: High Sierra is a popular choice for VMware or VirtualBox because it has relatively low system requirements compared to newer versions like Sonoma. While Apple still officially hosts many of its
If you want to run High Sierra 10.13.5 as a virtual machine, follow these steps:
Though experts at UpTrade would warn that a 10-year-old system is too old for secure daily use in 2026, for Elias, that .iso was a time machine. It was a way to keep the past alive, one pixelated mountain peak at a time.
Another option is to use a dedicated utility. For example, iBoysoft DiskGeeker for Mac offers a "Create boot disk" function that can download the macOS installer and convert it into an ISO file, significantly simplifying the process.
If you are scouring the web for a pre-made macOS High Sierra 10.13.5.iso , you will likely encounter three issues: