Open your window and paste this installation string:
sudo codesign --remove-signature /Applications/Install\ macOS\ High\ Sierra\ 10.13.6_17G66.app/Contents/Resources/createinstallmedia
Ensure that your drive layout is explicitly structured over a GUID Partition Map . If the drive was previously used with Windows or Linux machines, Master Boot Record (MBR) partition tables will block the installer from converting or formatting the space into a native APFS system configuration block.
Select your internal system drive (typically labeled Macintosh HD ) and click . Set the format options to: macos high sierra 10136 dmg install
Installing macOS from a DMG file offers several distinct advantages over a standard online upgrade:
Legacy System Deployment: A Technical Evaluation of Installing macOS High Sierra 10.13.6 from a Disk Image (DMG)
Avoid third-party websites offering High Sierra DMG files, as they often contain malware or outdated versions. The best methods are official or semi-official: 1. The Official Apple Way (App Store/App Store Links) Open your window and paste this installation string:
.step-list li::before content: counter(step-counter); background: #007aff; color: white; font-weight: bold; width: 1.8rem; height: 1.8rem; border-radius: 30px; display: inline-flex; align-items: center; justify-content: center; position: absolute; left: 0; top: 0; font-size: 0.9rem;
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
To help narrow down the next steps for your installation, let me know: Set the format options to: Installing macOS from
For many 2010 MacBook Pro models, High Sierra 10.13.6 is the final compatible operating system. If you have a Mac from 2012 or earlier, you may not be able to upgrade to Mojave, Catalina, or newer versions.
Ensure that you formatted the USB drive specifically with the GUID Partition Map scheme. Master Boot Record (MBR) schemes will not register as bootable options on modern Intel Macs.