To download a macOS High Sierra 10.13.6 installer, you should use the official Apple Support download links. Apple does not typically provide a direct
for the full installer; instead, they provide a link that redirects you to the Mac App Store to download the "Install macOS High Sierra" Apple Support Community Official Download Methods Via App Store (Recommended) macOS High Sierra App Store Link
in Safari. This will trigger the "Get" button, which downloads the installer directly into your /Applications Via Terminal
: If you are on macOS Catalina or later, you can download it by entering the following command in Terminal:
softwareupdate --fetch-full-installer --full-installer-version 10.13.6 Direct Update DMGs
: If you already have an earlier version of High Sierra (like 10.13.0) and just need the 10.13.6 update, you can download the verified Combo Update DMG directly from Apple Support Creating a Bootable DMG/USB
Once you have the installer app in your Applications folder, you can create a bootable installer on a USB drive (which functions like a bootable DMG) using this Terminal command:
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume with the name of your USB drive) Apple Support Verification Tips Avoid Third-Party Sites
: DMGs from unofficial sources may contain malware or be improperly modified. Stick to support.apple.com apps.apple.com Browser Compatibility must use Safari
for the App Store redirect link to work correctly; other browsers like Chrome or Firefox may fail to open the App Store page. Hardware Compatibility
: High Sierra requires a compatible Mac (generally 2009-2010 or newer). If your Mac is too new, the App Store may prevent the download. Apple Support Community Terminal commands
to verify the checksum of your downloaded file once it's finished? macOS High Sierra 10.13.6 full installer - Apple Community
How to Download a Verified macOS High Sierra 10.13.6 DMG Getting a verified copy of macOS High Sierra 10.13.6 is essential for ensuring your Mac's security and stability. While many third-party sites offer DMG files, the safest and most reliable way to obtain a genuine installer is directly from Apple. 1. Download via the Mac App Store (Official Method)
This is the only method officially verified by Apple to give you a complete, safe installer. Requirements: A compatible Mac running Safari.
Step 1: Open Safari and go to the official macOS High Sierra App Store link. download mac os high sierra 10136 dmg verified
Step 2: Click "Get" or "Download." This will open the Software Update settings or the App Store.
Step 3: The installer will download to your /Applications folder as "Install macOS High Sierra.app". 2. Download via Terminal (For Advanced Users)
If you are running macOS Catalina 10.15 or later, you can use a Terminal command to fetch the full installer directly from Apple's servers.
Command: Open Terminal and type:softwareupdate --fetch-full-installer --full-installer-version 10.13.6
Result: The full 4.8GB-5.2GB installer will be placed in your Applications folder. 3. Creating the DMG from the .app File
Apple provides the installer as a .app file, not a .dmg. If you specifically need a DMG (e.g., for virtual machines or bootable media), you can create one yourself:
Manual Extraction: Right-click "Install macOS High Sierra.app" and select Show Package Contents. Navigate to Contents/SharedSupport/ to find the InstallESD.dmg.
Using Mist: Use a third-party tool like Mist to automate the download and DMG creation directly from Apple's servers, which is a community-recommended safe alternative to manual Terminal work. 4. Direct Update Downloads (Delta & Combo)
If you already have a version of High Sierra (10.13.x) installed and just need the 10.13.6 update, you can download the verified standalone DMG packages from Apple Support:
Cause: Your Mac’s firmware doesn’t support APFS or the disk format is wrong. Fix: In Disk Utility (from the installer), erase the target drive as APFS (for SSDs) or Mac OS Extended (for HDDs under 128GB).
Downloading macOS High Sierra 10.13.6 in 2024 requires navigating around Apple’s push for newer updates.
By sticking to official Apple channels, you ensure your "verified" DMG is actually safe to use on your trusted hardware.
To obtain a verified, official copy of macOS High Sierra 10.13.6, you should avoid third-party "verified" DMG sites which can harbor security risks and instead use Apple’s own servers. While macOS High Sierra is no longer searchable in the App Store, Apple maintains a dedicated support path for legacy installers. Official Download Methods
App Store Link (Recommended): Use the macOS High Sierra App Store Link in Safari. This redirects you to the App Store where you can click Get to download the "Install macOS High Sierra.app" directly to your Applications folder. To download a macOS High Sierra 10
Mist Utility: If you are on a newer Mac (e.g., Apple Silicon) that prevents downloading older versions, use the open-source tool Mist, available on Mist GitHub. Mist allows you to fetch installers directly from Apple's software update servers without App Store restrictions.
Terminal Command: If your Mac is already running a compatible version of macOS, you can force the download via Terminal using:softwareupdate --fetch-full-installer --full-installer-version 10.13.6. Verifying Your Download
Apple does not typically publish external MD5/SHA checksums for their OS installers, but you can verify authenticity through built-in digital signatures.
Check Digital Signature: Open the downloaded package or installer and click the lock icon or certificate icon in the top-right corner. Ensure the certificate is issued by the Apple Software Update Certificate Authority and has a green checkmark.
Manual Verification: If you have a specific checksum from a trusted source, open Terminal and run:shasum -a 256 /path/to/your/downloaded/file. Preparing the Installer
Most official downloads result in a .app file rather than a .dmg. To create a bootable installer from this file: Connect a USB drive (at least 16GB).
Use Disk Utility to format it as Mac OS Extended (Journaled) with a GUID Partition Map.
Use the createinstallmedia command in Terminal:sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/YourUSBName. How to download and install macOS - Apple Support
To download a verified version of macOS High Sierra 10.13.6, it is highly recommended to use official Apple sources to ensure the software's integrity and security. Official Download Methods
Mac App Store (Direct Link): Apple has hidden older installers from general search results. You must use a direct link to find it.
Open Safari on a compatible Mac and visit the How to download and install macOS page.
Scroll to the High Sierra 10.13 section and click the link to open its page in the App Store.
Click Get or Download. The installer will download to your /Applications folder as "Install macOS High Sierra.app".
macOS High Sierra 10.13.6 Update: If you already have High Sierra installed and just need the 10.13.6 point release, you can download the macOS High Sierra 10.13.6 Update directly from Apple Support. Error: “macOS could not be installed on your
Terminal (Advanced Users): On newer versions of macOS, you can use a command-line tool to fetch the full installer:
Open Terminal and run: softwareupdate --fetch-full-installer --full-installer-version 10.13.6.
The file will be saved to your /Applications folder once complete. Creating a Verified DMG File
The official App Store download provides an .app file, not a .dmg. If you specifically need a DMG (e.g., for virtual machines or bootable media), you can create one from the verified .app file:
Locate the App: Ensure "Install macOS High Sierra.app" is in your Applications folder.
Create Installation Media: Use a USB drive (at least 12GB) and run the createinstallmedia command in Terminal:sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume(Replace MyVolume with your USB drive's name).
Manual DMG Extraction: You can also find a disk image (InstallESD.dmg) inside the app package by right-clicking the app, selecting Show Package Contents, and navigating to Contents/SharedSupport/. Third-Party Alternatives (Use with Caution)
While the following sites offer DMG downloads, they are not official Apple sources. Always verify files with a tool like VirusTotal before running them.
TechSpot: Provides mirrors for various versions of macOS High Sierra.
Internet Archive: Hosts community-uploaded copies of the High Sierra Installer.
Note: macOS High Sierra reached its "End of Life" in November 2020 and no longer receives security updates.
Are you looking to create a bootable USB for a fresh installation or just trying to upgrade an existing system?
If the official Apple link is down or you need a specific build (like the final build 17G66), the Internet Archive is a trusted non-profit source for software preservation.
macOS High Sierra 10.13.6 InstallESD.dmg original
Look for uploads from verified users like “Mr. Macintosh” or “dosdude1” (famous for legacy patchers). Download the file, then immediately verify it.