Macos High Sierra ((top)) Download Dmg Install Jun 2026

Select your internal hard drive (usually named Macintosh HD) from the left sidebar. Click the button at the top. Set the format type:

Downloading and installing macOS High Sierra (version 10.13) via a DMG file can be a tricky process, especially since Apple has shifted its distribution primarily to the Mac App Store and newer packages. Whether you are reviving an older Mac, setting up a virtual machine, or building a Hackintosh, having a reliable DMG installer file is essential.

: Use a flash drive (at least 8GB-16GB) formatted as Mac OS Extended (Journaled) . You can create the installer using the Terminal command: sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume . macos high sierra download dmg install

Open Finder and navigate to your Applications folder. Verify that "Install macOS High Sierra.app" is present. If you downloaded directly from the App Store, this file should already be there.

If you are running a compatible older macOS version, you can access the download link directly through Apple's support infrastructure. Select your internal hard drive (usually named Macintosh

High Sierra introduced the Apple File System (APFS), optimizing Solid State Drives (SSDs). If your installer hangs during the APFS conversion phase, it is typically due to standard hard drives or partition corruption.

Once you have the Install macOS High Sierra.app : Whether you are reviving an older Mac, setting

Method B: Downloading via Terminal (macOS Catalina or Newer)

Open and erase the drive. Format it as Mac OS Extended (Journaled) with a GUID Partition Map . Name the drive Untitled .

For users comfortable with the command line, Apple's softwareupdate command can sometimes retrieve older macOS installers. This method requires pointing softwareupdate to Apple's servers or to an internal server where the installer has been made available. While effective for experienced users, this approach is more complex than the other methods described here.