To install macOS High Sierra (10.13), you can download the official installer directly from Apple or use professional utilities like to bypass App Store restrictions on newer Macs. Apple Support 1. Download Options
macOS High Sierra (10.13) is an older macOS release. Below are concise steps to obtain the installer, create a DMG or bootable installer, and install it safely.
in your Applications folder, follow these steps to create a bootable drive: Prepare the Drive: Plug in a USB flash drive (at least recommended). Use Disk Utility to erase it, choosing Mac OS Extended (Journaled) format and GUID Partition Map Run Terminal Command: Open Terminal and paste the following command (replace with your USB drive's name):
Ensure network time syncing is disabled in recovery mode, set the Terminal date back manually to 2018 or 2019, and rerun the setup tool. Share public link macos high sierra download dmg install
(Note: The full DMG verification is complex; instead, check the app size – exactly 5.2GB for 10.13.6)
Ensure the High Sierra installer is in your Applications folder, then run this command: sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Enter your admin password and type Y to confirm when prompted. 3. How to Install macOS High Sierra Once your USB is ready, follow these steps to install: the target Mac. Plug in the bootable USB drive.
Note: If the App Store says “Update not available,” you may need to use a terminal method. To install macOS High Sierra (10
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/HighSierraUSB Use code with caution.
This is one of the most common errors. It usually happens because the installer's certificate has expired.
Since High Sierra is often used for clean installs, creating a bootable USB is recommended. Apple Support Community Format USB : Connect a 16GB+ flash drive. Use Disk Utility to format it as Mac OS Extended (Journaled) and name it "MyVolume" Run Terminal Command Below are concise steps to obtain the installer,
Your current Mac hardware might be too new (e.g., an M1, M2, or M3 Apple Silicon Mac). Apple blocks newer machines from downloading legacy Intel installer assets.
hdiutil attach /tmp/HighSierra.dmg -sbinwrite -mountpoint /Volumes/HighSierra Use code with caution. Use the Apple installer tool to populate the image:
Complete Guide to Downloading and Installing macOS High Sierra DMG