If you are currently using a Mac that supports High Sierra, this is the best route. Apple still hosts the installer in its archives, though it requires the direct link.
If you are currently using a Windows PC or Linux machine, you cannot use the official Apple App Store or Terminal tools. In this scenario, your only option is to download a pre-compiled macOS High Sierra DMG file from a third-party archive or forum. Safety Checklists for Third-Party Downloads:
Here are the four legitimate methods you can use to acquire the official installer, all of which are free for eligible Macs.
The system will open under the Software Update panel to begin downloading.
When searching for a macOS 10.13 High Sierra DMG file, safety must be your primary concern. Operating system installers can be bundled with malware or spyware if downloaded from untrusted third-party repositories. 1. The Official App Store Route (Recommended)
With your bootable USB created, you can now perform a clean installation or upgrade your existing system. Shut down the Mac you want to update. Insert the bootable High Sierra USB drive into a USB port.
Ensure your hardware supports version 10.13 before proceeding:
If you are currently using a Mac that supports High Sierra, this is the best route. Apple still hosts the installer in its archives, though it requires the direct link.
If you are currently using a Windows PC or Linux machine, you cannot use the official Apple App Store or Terminal tools. In this scenario, your only option is to download a pre-compiled macOS High Sierra DMG file from a third-party archive or forum. Safety Checklists for Third-Party Downloads:
Here are the four legitimate methods you can use to acquire the official installer, all of which are free for eligible Macs.
The system will open under the Software Update panel to begin downloading.
When searching for a macOS 10.13 High Sierra DMG file, safety must be your primary concern. Operating system installers can be bundled with malware or spyware if downloaded from untrusted third-party repositories. 1. The Official App Store Route (Recommended)
With your bootable USB created, you can now perform a clean installation or upgrade your existing system. Shut down the Mac you want to update. Insert the bootable High Sierra USB drive into a USB port.
Ensure your hardware supports version 10.13 before proceeding:
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