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Now that you have a bootable USB installer, follow these steps to perform a clean installation of macOS High Sierra.
There are two primary ways to install macOS High Sierra. Understanding the difference will help you choose the right method for your situation.
Select your newly formatted internal drive as the destination target. Click .
The first thing you should do is ensure your new system is fully updated to the final version. macos high sierra download dmg install
Check the "About This Mac" section to ensure it says macOS High Sierra 10.13.6 .
: Introduced Intelligent Tracking Prevention to block advertisers from tracking you across sites and Autoplay Blocking to stop videos with audio from playing automatically.
Once your bootable media is ready, you can proceed with the installation process. Back Up Your Data
To perform a clean install, you must create a bootable USB installer. You will need a USB flash drive with at least . Format the Drive: Open Disk Utility . Select your USB drive and click Erase . Format: Mac OS Extended (Journaled) . Scheme: GUID Partition Map . Name the drive: MyVolume . Use the Terminal: This public link is valid for 7 days
Obtain a USB flash drive with a capacity of . Note that this process erases all data on the USB drive. Format the USB Drive Open Disk Utility ( Applications > Utilities ). Insert your USB drive.
What it is
If you have access to another Mac already running High Sierra or later:
You will need a USB flash drive with at least of space. Connect the USB drive to your Mac. Open Disk Utility (found in Applications > Utilities). Select the USB drive and click Erase . Can’t copy the link right now
Before downloading the installer, ensure your Mac hardware supports macOS High Sierra. Late 2009 or newer MacBook Air: Late 2010 or newer MacBook Pro: Mid 2010 or newer Mac mini: Mid 2010 or newer iMac: Late 2009 or newer Mac Pro: Mid 2010 or newer Memory: Minimum 2 GB of RAM (4 GB recommended)
Click or Download . System Settings will open a "Downloading new updates" window to download Install macOS High Sierra.app directly to your Applications folder. Method B: Using the "Mist" Open-Source Utility
Complete Guide to Downloading and Installing macOS High Sierra DMG
There are archives (such as the well-known "Mints" archives or Internet Archive) that host pre-made DMG files of High Sierra.