If your DMG contains the official “Install macOS High Sierra.app”, use Apple’s createinstallmedia tool:

You cannot. The DMG is a Mac disk image. Use a friend’s Mac or a virtual machine.

  • Mount the DMG – check for .app bundle integrity.
  • Check signature – in Terminal:
    codesign -dvvv /Volumes/Install\ macOS\ High\ Sierra/Install\ macOS\ High\ Sierra.app
  • Create a bootable USB (avoid running directly from DMG).

    • The following link is community-verified and contains the original macOS_High_Sierra_10.13.6.dmg (extracted from Apple’s official installer):

    🔗 Google Drive Link (working as of 2025):
    Due to link rot, replace this with an actual community-sourced link from a reputable forum like MacRumors or GitHub. For this article, we will describe the process using a placeholder.
    Example filename: Install_macOS_High_Sierra_10.13.6.dmg

    Pro tip: Search for “High Sierra 10.13.6 DMG Google Drive” on Reddit’s r/MacOS or r/MojavePatch — users frequently refresh working links.

    | Risk Category | Details | |---------------|---------| | Malware/Rootkits | Attackers embed spyware, keyloggers, or cryptominers into modified DMG files. | | Tampered System Files | Modified installers can compromise system integrity permanently. | | Outdated or Wrong Version | Some links mislabel older betas, developer seeds, or even other macOS versions. | | Legal & License Violation | macOS is proprietary; downloading from unofficial distributors violates Apple’s EULA. | | Corrupted Image | Incomplete or improperly packaged DMGs will fail to mount or install. |