If I download macOS High Sierra will I have OS X version 10.12? 109 Views Where can I download the Mac OS High Sierra 10.13 ISO/DMG file direct?
Active3 months ago
Yes, I found
and
but they don't fit my use-case. I need to update a number of Macs to High Sierra to address Spectre/Meltdown ASAP, and the questions linked above had to do with the High Sierra beta.
So: how do I download macOS High Sierra for offline installs?
bmike♦169k4747 gold badges310310 silver badges666666 bronze badges
Lemon CatLemon Cat
3 Answers
Answering my own question:
From the App Store, grab the High Sierra installer. It will launch 'Install macOS High Sierra' after the download completes. Click 'Continue', accept the licensing agreement, select the install drive, then the installer will prompt for an admin password. After that, it will begin downloading to '/macOS Install Data' on the local machine.
The main data file is
/macOS Install Data/InstallESDDmg.pkg
When the download is complete, the installer will prompt for a system restart. Before doing that, inspect the download directory:
Then, copy the download directory off to another machine for future use.
Lemon CatLemon Cat
If you go ahead and run the 19MB installer (/Applications/Install macOS High Sierra), it will download the remaining install files and place them under /macOS Install Data.Simply abort the install when it asks which disk you want to install to.
To restore the ability to create install media, do the following:Open Terminal and run:
sudo -s
Enter admin credentials to gain root access and cut-n-paste the following 3 commandsYou can now use the normal createinstallmedia command:
spacebikerspacebiker
I had a similar issue, but the above solution did not work for me. I'm still looking for a solution to upgrade to macOS High Sierra using previously downloaded install files.
I thought I found a solution below, but this also did not work.
![Download macos sierra 10.12 dmg Download macos sierra 10.12 dmg](/uploads/1/2/5/8/125834895/769180362.png)
This did not work for me, the installer complained about corrupt/bad install files after restarting. Perhaps this is because the install files were downloaded on 10.9 and I was trying to install them on 10.10 - so it might work for you
- Get macOS install files on a computer
- Use the App store (recommended)
- Download 'Install macOS High Sierra.app' from App Store
- Run installer, which downloads installer files, stop installer when it asks to restart
- The files are now located in /macOS Install Data
- Download files manually
- See https://github.com/Jinsung-L/install-macos-high-sierra
- See https://www.insanelymac.com/forum/topic/329828-making-a-bootable-high-sierra-usb-installer-entirely-from-scratch-in-windows-or-linux-mint-without-access-to-mac-or-app-store-installerapp/
- See https://7labs.io/tips-tricks/macos-high-sierra-direct-download.html
- Problem: I'm not sure how to choose which InstallESD to download, this post might help https://apple.stackexchange.com/a/323497/18679
- Use third party downloader tool (dosdude) -- not tested
- See http://dosdude1.com/highsierra/
- Use the App store (recommended)
- Get the Install macOS High Sierra.app
- Download from the App store (recommended)
- Copy from first computer
- Copy all installer files (±5 GB) from first computer to /Applications/Install macOS High Sierra/Contents/SharedSupport
- Make subdirectory as root SharedSupport first if it doesn't exist (likely)sudo mkdir /Applications/Install macOS High Sierra.app/Contents/SharedSupport/
- Copy files to newly created subdir
- sudo cp -p /macOS Install Data/* /Applications/Install macOS High Sierra.app/Contents/SharedSupport/
- See macOS High Sierra media installer
- Run Install macOS High Sierra.app as usual
- Installer should skip downloading and immediately ask to restart
- Copy files (as downloaded above) directly to /macOS Install Data -- the installer program will delete these files and download them again
TimTim