Select macOS High Sierra 10.13.6 and download the installation package (DMG). Step 2: Creating a Bootable USB Installer
Press the button while holding down the Option (Alt) key.
When asked to confirm erasing the volume, type Y and press .
The Software Update tool will open and begin downloading. Once finished, the file named Install macOS High Sierra.app will appear in your folder. Method B: Extracting the DMG macos high sierra 10136 dmg install
HighSierraUSB (Keep it simple without spaces for the terminal command). Format: Mac OS Extended (Journaled) . Scheme: GUID Partition Map .
Apple provides a built-in utility called createinstallmedia inside the installer package.
.step-list list-style: none; counter-reset: step-counter; margin: 1.5rem 0; Select macOS High Sierra 10
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
Turn on the Mac and immediately press and hold the key.
hdiutil attach /path/to/InstallMacOSHighSierra.dmg The Software Update tool will open and begin downloading
Open (Press Command + Space , type "Disk Utility", and hit Enter).
Installing High Sierra in the current day requires a mindset shift regarding security.
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