This usually indicates a corrupted download or a faulty USB drive.
You should only download macOS from official sources to avoid security risks.
Open (Press Cmd + Space , type "Terminal", and press Enter). Type the following command and press Enter: macos high sierra download dmg install
Apple officially released macOS 10.13 High Sierra in 2017. While it is no longer the current operating system, it remains a vital release for vintage Macs that cannot upgrade to newer versions of macOS.
Under the virtual machine's , mount your converted High Sierra DMG file into the virtual optical disc drive. This usually indicates a corrupted download or a
Launch (other browsers may fail to handle app store redirects properly). Go to the official Apple Support Download Page .
To clean install High Sierra on a formatted Mac, you need a USB drive with at least 16GB of storage. Plug in your USB flash drive. Type the following command and press Enter: Apple
Format it as (or Mac OS Extended if you are using an older HDD). Start Installation: Close Disk Utility and select Install macOS .
If you are installing on a , or Hackintosh
Copy and paste the following command into Terminal and hit Enter: sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/HighSierra