macOS High Sierra 10.13.6 DMG Install: A Deep Dive
In 2017, Apple released macOS High Sierra, a significant update to its macOS operating system. The final version, 10.13.6, was released on September 26, 2018. This write-up focuses on the installation process using a DMG (Disk Image) file for macOS High Sierra 10.13.6.
Overview of macOS High Sierra
macOS High Sierra was a crucial update that laid the foundation for future macOS versions. It introduced several significant features, including:
Preparing for Installation
Before installing macOS High Sierra 10.13.6 using a DMG file, ensure your Mac meets the system requirements:
Downloading the DMG File
To obtain the macOS High Sierra 10.13.6 DMG file, you can:
Creating a Bootable Installer
To create a bootable installer using the DMG file:
Installing macOS High Sierra
To install macOS High Sierra 10.13.6 using the DMG file:
Post-Installation Steps
After installing macOS High Sierra 10.13.6:
Tips and Considerations
Conclusion
Installing macOS High Sierra 10.13.6 using a DMG file requires careful preparation and attention to detail. By following these steps, you can successfully install this version of macOS and take advantage of its exciting features. Keep in mind that macOS High Sierra is an older version of the operating system, and it's recommended to upgrade to a newer version, such as macOS Monterey or later, for the latest security patches and features.
Installing macOS High Sierra (10.13.6) from a DMG involves downloading the disk image, extracting the actual installer app, and then either running it directly or creating a bootable USB. 1. Download the macOS High Sierra DMG
You can obtain the official version through the following methods:
Official Support Page: Apple provides download links for older macOS versions like Sierra and High Sierra as DMG files.
Mist Utility: If you are on a newer Mac (Monterey or later) that blocks old App Store downloads, use the Mist utility on GitHub to fetch the full installer directly from Apple's servers.
Mac App Store: Search for "macOS High Sierra" or use a direct link. Note that if the App Store only gives you a tiny file (~20MB), it is a "stub" and not the full 5GB installer. 2. Extract the Installer App
To use the "createinstallmedia" command or run the update, you must extract the .app from the .dmg: Double-click the downloaded .dmg file to mount it.
Open the mounted volume and double-click the .pkg file inside.
Follow the prompts; this will not install the OS yet. It will simply place the "Install macOS High Sierra.app" into your Applications folder. 3. Create a Bootable USB (Recommended)
This is the most reliable way to perform a clean install. You need a USB drive with at least 16GB of space. On a Mac:
Format the USB: Open Disk Utility, select your USB, and click Erase. Name: MyVolume Format: Mac OS Extended (Journaled) Scheme: GUID Partition Map.
Run Terminal Command: Open Terminal and paste the following:sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume. Enter your password and wait for the "Done" message.
How to create a bootable macOS High Sierra USB Install drive
To install macOS High Sierra 10.13.6 using a DMG file, you need to download the official installer, prepare a bootable USB drive, and then execute the installation. This guide covers how to do this on a Mac or a Windows PC. 1. Official Download Methods
Apple primarily provides High Sierra as a full installer app via the Mac App Store. If you specifically need a DMG file for external use, follow these steps:
Direct Download (Safe Source): Use the official links on the Apple Support Download page.
Automated Utility: Use the Mist utility on GitHub to download older macOS versions directly from Apple servers.
Combo Update: If you already have 10.13, you can download the macOS High Sierra 10.13.6 Combo Update to upgrade to the latest build. 2. Create a Bootable USB Installer
You will need a USB flash drive with at least 16GB of capacity. On a Mac (Recommended)
Format the Drive: Use Disk Utility to erase the USB drive. Choose Mac OS Extended (Journaled) as the format and GUID Partition Map as the scheme. Name it MyVolume.
Use Terminal: Open Terminal and paste the following command:sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Enter your admin password and type Y to confirm. On Windows
Use TransMac: Download and run TransMac as an administrator.
Format for Mac: Right-click your USB drive in TransMac and select Format Disk for Mac.
Restore DMG: Right-click the drive again, select Restore with Disk Image, and choose your High Sierra DMG file. 3. System Requirements Ensure your hardware is compatible before proceeding:
Installing macOS High Sierra (10.13.6) from a DMG file involves extracting the installer and then running the system update. High Sierra is often the final supported OS for many older Macs, such as the 2011 MacBook Pro. 1. Download the Official Installer
To ensure security, always obtain the macOS High Sierra DMG directly from Apple Support. Avoid third-party mirrors to prevent malware risks. 2. Extract the Installer Package
Unlike standard apps, a macOS DMG usually contains a .pkg installer that places the actual "Install macOS High Sierra" app into your Applications folder. Double-click the .dmg file to mount it. In the window that opens, double-click the .pkg file.
Follow the prompts to "install" the installer onto your hard drive. 3. Run the macOS Installation
Once the package finish running, the installer application will be available in your system. Open your Applications folder. Find and double-click Install macOS High Sierra.
Click Continue and follow the on-screen instructions to begin the upgrade. 4. Create a Bootable USB (Optional)
If you need to perform a clean install or recover a non-booting Mac, you can use the extracted installer to create a bootable drive using the createinstallmedia command in Terminal. Post-Installation Tips
Security: High Sierra received its last security update in late 2020, so use caution when browsing the modern web.
Future Upgrades: If your hardware supports it, the next logical upgrade from High Sierra 10.13.6 is macOS Mojave (10.14.6) or macOS Catalina (10.15.8).
Are you installing this on an older Mac for compatibility, or are you looking to create a bootable USB drive for a clean install? Using macOS High Sierra in 2025
I notice you’re asking about “macOS High Sierra 10.13.6 DMG install” (the version number you typed, “10136,” appears to be a typo for 10.13.6).
Here’s the short story and practical answer:
The Background
macOS High Sierra (10.13) was released in 2017. The final, most stable version is 10.13.6. Apple no longer officially offers it on the App Store for modern Macs, but it remains critical for older Macs that can’t run Mojave or later.
The “DMG Install” Story
Unlike modern macOS installers (which are .app bundles), High Sierra installers often circulated as .dmg files containing the Install macOS High Sierra.app. People sought these DMGs for: macos high sierra 10136 dmg install
Important Warning
Many websites offering “High Sierra 10.13.6.dmg” are risky — outdated, corrupted, or bundled with malware. The only safe, legitimate sources today are:
If you need the installer
Would you like the exact Apple support link to the official High Sierra 10.13.6 installer (if still available), or help creating a bootable USB from a valid installer?
Installing macOS High Sierra 10.13.6 via a DMG file is a common method for users looking to perform a clean install, upgrade an older machine, or rescue a system that cannot boot. While newer versions of macOS have moved to different formats, the 10.13.6 DMG remains a vital tool for maintaining compatible legacy hardware. System Requirements for macOS High Sierra
Before downloading, ensure your Mac is compatible. High Sierra generally supports the same hardware as macOS Sierra. Memory: 2GB minimum (8GB recommended).
Storage: At least 14.3GB of available space for the upgrade. Compatible Models: MacBook: Late 2009 or newer. MacBook Air/Pro: Mid 2010 or newer. Mac mini: Mid 2010 or newer. iMac: Late 2009 or newer. Mac Pro: Mid 2010 or newer. Where to Download macOS High Sierra 10.13.6 DMG
Apple provides official routes to obtain the installer, though searching the App Store directly on modern macOS versions may not work.
macOS High Sierra - Technical Specifications - Apple Support
macOS High Sierra 10.13.6 DMG Install: A Step-by-Step Guide
Are you looking to install macOS High Sierra 10.13.6 on your Mac? Perhaps you're upgrading from an older version of macOS or setting up a new Mac and want to start with the latest version of High Sierra. Whatever the reason, this guide will walk you through the process of installing macOS High Sierra 10.13.6 using a DMG file.
What You Need to Know
Before we begin, here are a few things to keep in mind:
Downloading the macOS High Sierra 10.13.6 DMG File
To download the DMG file, you'll need to visit the Apple Support website:
Creating a Bootable Installer
To create a bootable installer, you'll need a USB drive with at least 8GB of free space:
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/USB\ Drive --applicationpath /Applications/Install\ macOS\ High\ Sierra.app
Replace USB Drive with the name of your USB drive.
Installing macOS High Sierra 10.13.6
Now that you have a bootable installer, you're ready to install macOS High Sierra 10.13.6:
Post-Installation Steps
After installation, you'll need to:
Conclusion
That's it! You've successfully installed macOS High Sierra 10.13.6 using a DMG file. If you encounter any issues during the installation process, feel free to leave a comment below, and I'll do my best to assist you.
Additional Resources
Frequently Asked Questions
The legacy of macOS High Sierra (version 10.13.6) is often defined by its role as a "refinement" update, prioritizing under-the-hood stability and foundational technology over flashy user-interface changes. While it is technically obsolete and unsupported by Apple as of November 2020, it remains a critical bridge for vintage hardware and specialized software workflows. The Foundational Shift: APFS and Metal 2
The true significance of High Sierra lies in its introduction of the Apple File System (APFS). This replaced the decades-old HFS+ format, offering modern features like:
Instant Cloning: Duplicating large folders became nearly instantaneous, as the system saved only the changes ("deltas") rather than full copies of the data.
Native Encryption: Built-in volume encryption improved security for internal SSDs.
Performance on SSDs: The system was specifically optimized for flash storage, significantly boosting responsiveness on older Macs upgraded with SSDs.
Additionally, the update introduced Metal 2, providing better GPU utilization and laying the groundwork for VR support and external GPU (eGPU) compatibility on newer models. Why High Sierra Persists in 2026
Despite the lack of official security patches, many users still rely on version 10.13.6 for specific reasons: Using macOS High Sierra in 2025
Installing macOS High Sierra 10.13.6 via a DMG file is a multi-step process that involves verifying your hardware, obtaining the correct image, and creating bootable media . While Apple typically provides installers as
files, DMGs are often used for manual creation on Windows or for specific recovery purposes. Microsoft Community Hub 1. Verify System Compatibility
Before proceeding, ensure your Mac supports High Sierra (10.13). Generally, any Mac that could run macOS Sierra (10.12) is compatible. Late 2009 or newer MacBook Pro: Mid 2010 or newer MacBook Air: Late 2010 or newer Mid 2010 or newer Late 2009 or newer Mid 2010 or newer Minimum Requirements: 2GB RAM and approximately 14.3GB of available storage. Apple Support 2. Obtain the macOS High Sierra DMG
You can get the official installer through several official and reputable third-party methods:
macOS High Sierra - Technical Specifications - Apple Support
While it might seem like a dry technical task, installing macOS High Sierra (10.13.6)
via a DMG file is often a journey of digital preservation. Whether you're reviving an older Mac or setting up a virtual machine, the process is a bridge between modern convenience and "legacy" reliability.
The Digital Time Capsule: Installing macOS High Sierra 10.13.6
The release of macOS High Sierra 10.13.6 marked the end of an era. As the final refinement of the "High Sierra" line, it represents the peak of stability for many classic Intel-based Macs. However, obtaining and installing it today via a DMG (Disk Image) file requires more than just a simple double-click; it requires a bit of technical choreography. 1. The Quest for the Source
In the modern App Store era, finding a standalone DMG for a legacy OS can feel like digital archaeology. Since Apple shifted to "Install macOS" applications, a raw DMG is often a community-sourced or IT-archived version of the installer. The first hurdle is verification—ensuring the file hasn't been tampered with by checking SHA-256 checksums, a critical step for any OS installation. 2. Preparing the Vessel
An installer is useless without a destination. To use a DMG effectively, one typically has to "burn" it to a bootable USB drive. This is where the terminal becomes the user’s best friend. Using the createinstallmedia
command, the static DMG is transformed into a living, breathing bootable tool. It is a process of turning data into a key that can unlock a dormant machine. 3. The High Sierra Refinements Why go through the trouble? High Sierra brought the Apple File System (APFS)
to the masses. Installing version 10.13.6 ensures that you are getting the most polished version of this transition. It fixed the "Zero Day" vulnerabilities and improved the stability of Metal 2, making it the "sweet spot" for machines that can’t handle the resource-heavy requirements of Mojave or Catalina. 4. The Installation Ritual The actual installation is a familiar dance: holding the Option (⌥)
key at startup, selecting the "Install macOS High Sierra" drive, and watching the progress bar slowly creep across the screen. There is a specific satisfaction in seeing the 10.13.6 build number appear in "About This Mac" after a clean install—it signifies a machine that has been given a second life, stripped of years of digital clutter. Conclusion
Installing macOS 10.13.6 via DMG is more than a maintenance task; it is an act of intentionality. It proves that even as software moves toward the cloud and subscription models, the ability to manually deploy a stable, functional operating system remains a vital skill for the tech-savvy user. expand on the technical steps
(like specific Terminal commands) or pivot the essay toward a different tone , such as a troubleshooting guide?
The process of installing macOS High Sierra 10.13.6 via a DMG file involves three primary phases: obtaining the correct disk image, preparing bootable installation media, and executing the system installation. 1. Obtaining the macOS High Sierra DMG
While newer versions of macOS can be updated through System Settings, older versions like High Sierra often require a manual download.
Official Sources: Apple provides links for older macOS versions like Sierra and Yosemite as DMGs, but High Sierra is typically downloaded as an "Install macOS High Sierra.app" via the Mac App Store.
Alternative Utilities: If the App Store is inaccessible, third-party tools like Mist can download full installers directly from Apple's servers.
Security Check: Always verify the integrity of a downloaded DMG by checking it for malware on sites like VirusTotal. 2. Creating a Bootable USB Installer macOS High Sierra 10
To perform a clean installation or rescue a system, you must convert the DMG/App file into a bootable USB drive (minimum 16GB).
On macOS: Use the Terminal command createinstallmedia. You must first format the USB in Disk Utility as "Mac OS Extended (Journaled)" with a "GUID Partition Map".
On Windows: Software like TransMac or Uni-Beast allows users to restore a DMG file to a USB drive. This involves formatting the drive for Mac within the app and using the "Restore with Disk Image" function. 3. Executing the Installation
Once the media is ready, the installation process follows these steps:
Booting: Plug the USB into the target Mac. Restart and hold the Option (Alt) key until the boot manager appears, then select "Install macOS High Sierra".
Disk Preparation: Use Disk Utility from the installer menu to erase the target internal drive, ensuring it is formatted for macOS.
Installation: Follow the on-screen prompts to begin the process. The system may restart several times before reaching the initial setup assistant. Summary of Versions
To get the full 10.13.6 installer (approximately 5GB–6GB), you have a few options:
Official App Store Link: Use the official macOS High Sierra download link which will redirect you to the Mac App Store.
Terminal Command: If you are already on a newer macOS version (Catalina or later), open Terminal and type:softwareupdate --fetch-full-installer --full-installer-version 10.13.6.
DMG via Web Browser: For older Macs that cannot use the App Store, Apple provides direct disk image (.dmg) downloads for legacy versions on their legacy installer page. Phase 2: Create a Bootable USB Installer
You will need a USB flash drive with at least 16GB of space. Format the USB Drive: Open Disk Utility (Applications > Utilities). Select your USB drive in the sidebar. Click Erase and use these settings: Name: MyVolume (or any simple name without spaces). Format: Mac OS Extended (Journaled). Scheme: GUID Partition Map. Create the Media via Terminal: Open Terminal.
Paste the following command (assuming your USB is named MyVolume and the installer is in your Applications folder):sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume.
Enter your admin password when prompted and wait for the process to finish. Phase 3: Install macOS High Sierra Hackintosh High Sierra Installation Guide (macOS 10.13.6)
Installing macOS High Sierra 10.13.6 from a DMG File: A Step-by-Step Guide
macOS High Sierra 10.13.6 is a popular operating system for Macs, offering a range of features and improvements. If you've downloaded the macOS High Sierra 10.13.6 DMG file and are looking to install it, this guide will walk you through the process.
Before You Begin
Preparing the DMG File
hdiutil command in Terminal: hdiutil attach /path/to/macos_high_sierra_10.13.6.dmgCreating a Bootable Installer
File > New Image > New Image from [DMG file name]. Choose a location to save the new image and select Mac OS Extended (Journaled) as the format. Name the image (e.g., "macOS High Sierra 10.13.6 Installer").Installing macOS High Sierra 10.13.6
Post-Installation Steps
Conclusion
Installing macOS High Sierra 10.13.6 from a DMG file requires some technical expertise, but by following these steps, you can successfully create a bootable installer and install the operating system on your Mac. Remember to always back up your important files and data before attempting to install a new operating system.
Additional Tips and Troubleshooting
The macOS High Sierra 10.13.6 DMG install remains a vital tool for Mac users with legacy hardware, software compatibility needs, or a preference for stability over new features. By following this guide, you can obtain a legitimate DMG, create a bootable USB, and perform a clean installation that breathes new life into an older Mac—or provides a rock-solid development environment.
Remember: always verify checksums (SHA-1) of your DMG against Apple’s official hashes if possible, and keep a backup of your installer on an external drive or NAS. High Sierra 10.13.6 may be “old,” but for the machines that run it, it is timeless.
Further Reading & Resources:
Have questions? Drop a comment below or consult the MacRumors High Sierra forum for community-driven advice.
Mastering the macOS High Sierra 10.13.6 DMG Installation Whether you are reviving an older Mac, setting up a virtual machine, or performing a clean install to reclaim lost performance, the macOS High Sierra 10.13.6 DMG remains one of the most vital tools for Apple enthusiasts. As the final refinement of the High Sierra series, version 10.13.6 brought essential stability fixes and Apple’s transition to the APFS file system.
In this guide, we’ll walk you through the process of obtaining the installer and creating a bootable drive to get your system up and running. Why Choose macOS High Sierra 10.13.6?
Released as the ultimate update for High Sierra, version 10.13.6 is often the "sweet spot" for older hardware. It offers: APFS Support: Optimized storage for SSD-equipped Macs.
Metal 2: Improved graphics performance for UI and applications.
Legacy Support: The last OS to support many 32-bit applications that were later phased out in macOS Catalina.
Stability: As the final build, it contains the most comprehensive security patches and bug fixes for that generation. Step 1: Downloading the macOS High Sierra 10.13.6 DMG
While Apple encourages users to upgrade to the latest OS via the App Store, you can still find official paths to High Sierra.
The App Store Method: If your Mac is compatible, you can use the official Apple Support link which will redirect you to the Mac App Store download page.
External Sources: If you cannot access the App Store, many users seek a direct DMG file. Ensure any third-party download is verified for integrity to avoid security risks.
Terminal Download: Advanced users can use the softwareupdate command in Terminal on newer versions of macOS to fetch older installers. Step 2: Creating a Bootable USB Installer
Once you have the installer (usually found in your /Applications folder as "Install macOS High Sierra"), you need to move it to a USB drive (at least 16GB). Method: Using the Terminal (Recommended) Connect your USB drive and rename it to MyVolume.
Open Terminal and paste the following command:sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
Press Enter, type your admin password, and wait for the process to finish. Step 3: Installing macOS High Sierra 10.13.6
With your bootable USB ready, follow these steps to perform the installation:
Backup Your Data: Always use Time Machine or a manual backup before proceeding.
Boot from USB: Restart your Mac and hold the Option (Alt) ⌥ key. Select the USB installer from the boot menu.
Disk Utility: If you are doing a clean install, select Disk Utility, erase your internal drive, and format it as APFS (for SSDs) or macOS Extended (Journaled) (for HDDs).
Run Installer: Exit Disk Utility and select Install macOS. Follow the on-screen prompts to complete the setup. Troubleshooting Common Issues
"This copy of the Install macOS High Sierra application is damaged": This is usually a certificate expiration issue. You can often fix this by disconnecting from the internet and changing the system date in Terminal (e.g., date 0101010118 for Jan 1st, 2018) before starting the install.
Firmware Updates: Ensure your Mac is plugged into power; High Sierra often requires a firmware update during installation to support the new APFS file system. Conclusion
The macOS High Sierra 10.13.6 DMG is a bridge between legacy hardware and modern file systems. By following the steps above, you can ensure a smooth, stable, and clean installation that breathes new life into your Mac.
To install macOS High Sierra 10.13.6 using a DMG file, you typically follow a two-step process: first, extract the installer package from the DMG to your Applications folder, and then run the actual installation app. Apple Support Step 1: Extract the Installer from the DMG Mount the DMG : Double-click your downloaded macOS High Sierra 10.13.6 DMG file to open it. Open the Package : Inside the mounted image, locate the file ending in (often named macOSHighSierra.pkg ) and double-click it. Install to Applications : Follow the on-screen prompts. This will install the OS yet; it simply places the "Install macOS High Sierra" app into your Applications Apple Support Step 2: Run the Installation Launch the App : Go to your Applications folder and double-click the Install macOS High Sierra Follow Setup and agree to the license terms. Select Disk
: Choose the hard drive where you want to install the OS and click Wait for Completion : Your Mac may restart several times during this process. Microsoft Community Hub Alternative: Creating a Bootable USB
If you need to perform a clean install on a blank drive, you can use the extracted installer app to create a bootable USB drive: Apple Support Guide for Bootable Installers to find the terminal command for High Sierra. Alternatively, use third-party tools found on Microsoft Tech Community Critical Pre-Installation Tips Backup Data : Always back up your files using Time Machine before proceeding. Check Requirements : High Sierra 10.13.6 requires at least 2GB of RAM 14.3GB of available storage Official Downloads
: It is safest to download macOS installers through the official Apple Support Page rather than third-party sites. Microsoft Community Hub Are you trying to an existing system or perform a clean install on a formatted drive? APFS (Apple File System) : A new file
How to Download and Install macOS High Sierra 10.13.6 in 2026
If you are trying to revive an older Mac or need a specific environment for legacy software, macOS High Sierra 10.13.6 remains a vital piece of software. While Apple has officially ended security support, the installer is still accessible if you know where to look. 1. Downloading the High Sierra Installer
You cannot simply search for High Sierra in the modern App Store on a newer Mac. Instead, use these official channels: App Store Direct Link: Apple provides a direct link to the macOS High Sierra App Store page
. This will download a "Install macOS High Sierra.app" file to your Applications folder. Apple Support Downloads:
For those who already have 10.13 installed and just need the final update, you can download the macOS High Sierra 10.13.6 Combo Update directly as a DMG file. 2. Preparing a Bootable USB (Optional but Recommended)
If you are performing a clean install, a bootable USB drive is the most reliable method. Microsoft Community Hub Requirements: A USB drive with at least 16GB of space. Terminal Command:
After downloading the installer from the App Store, use the following command in Terminal (replace with your USB's name):
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume 3. Installation Steps
Once you have your installer ready, follow these steps to complete the setup: Backup Your Data:
Ensure all important files are backed up, as a clean install will wipe the drive. Boot the Installer: Restart your Mac and hold the Option (⌥)
key during startup. Select "Install macOS High Sierra" from the list of bootable drives. Format the Drive: Disk Utility to format your target drive as (for SSDs) or Mac OS Extended (Journaled) (for older HDDs). Run the Installer:
Exit Disk Utility and select "Install macOS" to follow the on-screen prompts. 4. Compatibility and Support Supported Models:
High Sierra generally supports Macs from late 2009 or 2010 onwards. Unsupported Macs:
If your Mac is older than the official cutoff, you may need a third-party tool like the OpenCore Legacy Patcher to bypass hardware restrictions. Final Version: The definitive build for High Sierra is 10.13.6 (17G14042) , released as a security update in late 2020. Terminal commands to verify your DMG file's integrity or help with troubleshooting "damaged" installer
macOS High Sierra dmg download for making bootable usb insttaller
To install macOS High Sierra 10.13.6 , you generally need to download the installer from Apple and then run the installation process. Note that High Sierra is no longer officially supported with security updates. 1. Download the Installer Mac App Store: Apple still hosts the High Sierra installer on the Mac App Store
. If your Mac is compatible, downloading this will place a "Install macOS High Sierra" app in your Applications DMG vs. App: Apple typically provides the OS as an installer rather than a direct for the full OS. If you have a
file, double-click it to mount the disk image and reveal the installer app inside. 2. Basic Installation Open the Installer: Locate "Install macOS High Sierra" in your Applications folder and double-click it. Follow Prompts: and agree to the license terms. Select Disk:
Choose the drive where you want to install the OS (usually "Macintosh HD") and click
Your Mac will restart to complete the process. Ensure your Mac remains connected to power during this time. 3. Manual Installation (Clean Install)
If you need to perform a clean install or your Mac won't boot, you can create a bootable USB drive: Format USB: Disk Utility to format a USB drive (at least 16GB) as Mac OS Extended (Journaled) Create Media: createinstallmedia command in Terminal or a third-party tool like the macOS High Sierra Patcher if you are installing on an unsupported Mac. Boot from USB: Restart your Mac while holding the Option (⌥)
key, select the USB drive from the boot menu, and follow the instructions to install. dosdude1's Personal Web Server 4. Updating to 10.13.6
If you already have High Sierra but are on an older version (like 10.13.1), use Software Update
in System Preferences or the App Store to download the latest Security Updates , which will bring your system to version 10.13.6. Terminal command to create a bootable USB for High Sierra?
How I Downloaded macOS High Sierra in 2026 (Even on Older Macs)
Installing macOS High Sierra 10.13.6: A Step-by-Step Guide
Are you looking to install macOS High Sierra 10.13.6 on your Mac? Perhaps you're upgrading from an older version of macOS or setting up a new Mac and want to start with the latest version of High Sierra. Whatever your reason, you're in the right place. In this article, we'll walk you through the process of installing macOS High Sierra 10.13.6 using the 10.13.6 dmg file.
What You Need to Know
Before we dive into the installation process, here are a few things you should know:
System Requirements
To install macOS High Sierra 10.13.6, your Mac must meet the following system requirements:
Downloading the macOS High Sierra 10.13.6 dmg File
The first step in installing macOS High Sierra 10.13.6 is to download the installation file. You can do this from the Mac App Store or by searching for the dmg file online. However, be careful when downloading from third-party sources, as they may contain malware or viruses.
If you're downloading from the Mac App Store, follow these steps:
Alternatively, you can download the macOS High Sierra 10.13.6 dmg file directly from Apple:
Creating a Bootable Installer
Once you've downloaded the dmg file, you'll need to create a bootable installer. This will allow you to install macOS High Sierra 10.13.6 on your Mac.
To create a bootable installer, follow these steps:
Installing macOS High Sierra 10.13.6
Now that you have a bootable installer, you're ready to install macOS High Sierra 10.13.6 on your Mac.
To install macOS High Sierra 10.13.6, follow these steps:
The installation process will take some time to complete, depending on your Mac's specifications and the speed of your internet connection. Once the installation is complete, your Mac will restart and boot into macOS High Sierra 10.13.6.
Post-Installation Steps
After installing macOS High Sierra 10.13.6, there are a few things you should do to get started:
Troubleshooting Common Issues
If you encounter any issues during the installation process, here are a few troubleshooting steps to try:
Conclusion
Installing macOS High Sierra 10.13.6 using the 10.13.6 dmg file is a straightforward process that requires some basic technical knowledge. By following the steps outlined in this article, you should be able to successfully install macOS High Sierra 10.13.6 on your Mac. If you encounter any issues during the installation process, try troubleshooting common issues or seeking assistance from Apple support.
FAQs
Q: What is the size of the macOS High Sierra 10.13.6 dmg file? A: The size of the dmg file is approximately 5.2GB.
Q: Can I install macOS High Sierra 10.13.6 on my MacBook Air (2012)? A: Yes, macOS High Sierra 10.13.6 is compatible with MacBook Air (2012) and later models.
Q: Do I need to backup my data before installing macOS High Sierra 10.13.6? A: Yes, it's always a good idea to backup your data before installing a new version of macOS.
Q: Can I downgrade to an earlier version of macOS if I don't like High Sierra? A: Yes, but it's not recommended. Downgrading to an earlier version of macOS can be complex and may result in data loss.
sudo softwareupdate -ldiskutil verifyVolume /kextstat | grep -v com.appleThis points to a firmware or disk format mismatch.