Oct 26, 2017 Step One: Create a macOS High Sierra ISO File. To start, we’ll need to create an ISO file of macOS High Sierra’s installer, so we can load it in VirtualBox on our Windows machine. Grab your borrowed Mac, head to the Mac App Store, search for Sierra, and click “Download.”.

Apple distributes macOS High Sierra through the App Store. You need an internet connection, and the download will be over 5GB, so it’ll take a few minutes. For a single Mac, the installation. Download macOS High Sierra 10.13 ISO Virtual Machine Images Now download macOS High Sierra ISO File but you need to have reliable internet connection. Because the ISO File is 5GB and hard to download it. Therefore, click on the download link in order to start installation process of macOS Hgh Sierra ISO File. Mar 12, 2020 macOS Catalina, macOS Mojave, or macOS High Sierra Installers for each of these macOS versions download directly to your Applications folder as an app named Install macOS Catalina, Install macOS Mojave, or Install macOS High Sierra. If the installer opens after downloading, quit it without continuing installation.

Check compatibility

You can upgrade to macOS High Sierra from OS X Mountain Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 14.3GB of available storage space.

MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later

To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS High Sierra, the installer will let you know.

Make a backup

Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.

Get connected

It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.

Download macOS High Sierra

For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.

If you still need macOS High Sierra, use this App Store link: Get macOS High Sierra.

Begin installation

After downloading, the installer opens automatically.

Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.

If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.

Mac Os High Sierra Installer Iso Download

How To Upgrade To MacOS High Sierra - Apple Support

Allow installation to complete

Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.

Mac Os X High Sierra Iso

Learn more

MacOS High Sierra - Wikipedia

  • If you have hardware or software that isn't compatible with High Sierra, you might be able to install an earlier macOS, such as Sierra or El Capitan.
  • macOS High Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
  • You can use macOS Recovery to reinstall macOS.