If you are trying to reinstall via Internet Recovery (Cmd + R) and get a server error, use the key combination Shift + Option + Command + R at startup. This forces the Mac to use the version of macOS that originally shipped with the Mac, which is often compatible with older server certificates.
Ensure your Mac model is supported. High Sierra generally runs on Macs from late 2009 (MacBook/iMac) or 2010 (Pro/Air/Mini) and newer. The installer is approximately
: If you are on a Mac running macOS Catalina 10.15 or later, you can download the full installer directly via Terminal using: softwareupdate --fetch-full-installer --full-installer-version 10.13.6 .
Once finished, a file named Install macOS High Sierra.app will be sitting in your folder.
Click or the download icon to pull the file into your /Applications directory. Method 2: Direct DMG/Pkg Download via Apple Servers Download Mac Os High Sierra 10.13.6 Dmg
| Error Message | Cause | Solution | | :--- | :--- | :--- | | | The installer's certificate has expired, a common issue with older macOS versions. | Change the system date in Terminal before running the installer. Boot into Recovery Mode, open Terminal, and type date 010100002022 (sets date to Jan 1, 2022). Then, re-run the installer. | | "The macOS installation couldn't be completed" | Caused by insufficient disk space, a corrupted installer, or disk errors. | Free up space by deleting unnecessary files. Boot into Safe Mode (hold Shift during startup) and retry the installation to bypass third-party conflicts. Then, run Disk Utility's First Aid to repair the target disk. | | "This volume does not meet the requirements for this update" | The target disk is formatted incorrectly (e.g., APFS on a non-SSD drive). | Use Disk Utility to erase the target volume as Mac OS Extended (Journaled) and ensure the partition map is GUID . Then, retry the installation. | | Installation freezes or restarts at 2% | Often caused by incompatible hardware drivers or a corrupted base system image. | Re-download the installer DMG from a verified source (like Method 1 or 2) and create a fresh bootable USB drive. Check your Mac's RAM for any faulty modules. | | "This version of macOS 10.13 cannot be installed on this computer" | The Mac model is not officially supported by High Sierra. | Review the System Requirements. If your Mac is on the borderline (e.g., Mid 2009), you may need to use workarounds like the High Sierra Patcher Tool for unsupported Macs (use at your own risk). |
: At least 2GB of RAM and 14.3GB of available storage space. Please note that devices later than 2017 may only support newer systems (such as macOS Mojave or later) and may not be suitable for installing High Sierra.
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
If you need help with any of these steps, please let me know: What is the target Mac? Do you plan to do an in-place upgrade or a clean install ? Are you installing on a physical Mac or a virtual machine ? If you are trying to reinstall via Internet
macOS High Sierra 10.13.6 is a major update to the macOS operating system, released by Apple on September 24, 2018. It is the sixth update to macOS High Sierra, which was initially released on September 25, 2017. This update includes various improvements, security patches, and bug fixes.
High Sierra 10.13.6 is the final version of the High Sierra operating system, making it the most stable and secure iteration. Key reasons to download this version include:
If you are installing High Sierra onto a Solid State Drive (SSD), the installer will automatically convert the drive format from HFS+ to APFS.
Apple’s macOS High Sierra (version 10.13.6) remains a crucial operating system for users running older Mac hardware. Whether you need to revive an older MacBook, create a bootable installer, or recover a system that cannot upgrade to newer macOS versions, having a clean copy of the High Sierra DMG file is essential. High Sierra generally runs on Macs from late
If you are trying to install High Sierra on a different Mac or performing a clean install, you need to turn the download into a bootable drive. Connect a USB drive (at least 16GB) and name it Disk Utility (Format: Mac OS Extended Journaled). and paste this command:
Select the volume and press Enter.
To download macOS High Sierra 10.13.6 , it is highly recommended to use official Apple channels to ensure the installer is secure and complete. While third-party links exist, they often carry security risks or may be corrupted. Official Download Methods Mac App Store:
This command will erase the drive and make it a legitimate Apple boot disk.