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Wait for the process to reach 100%. Terminal will display "Copy complete" when the bootable drive is ready. Step 3: Installing macOS High Sierra 10.13.6
It is the last macOS version to support several iconic vintage Macs, allowing them to remain useful.
To deploy the OS on a formatted drive or a separate machine, turn a spare USB flash drive into a native bootable installer. Prerequisites A USB flash drive with a minimum capacity of .
Tell me about your setup, and we can get your installation back on track! Share public link macos high sierra 10136 dmg install
Press Y to confirm that you want to erase the volume, then press Enter.
High Sierra automatically converts solid-state drives (SSDs) to Apple File System (APFS). If you encounter read/write failures on older machines, boot back into Disk Utility and explicitly format the drive to APFS before initiating the OS script installer.
Open (Press Command + Space , type "Disk Utility", and hit Enter). Select your USB drive from the left sidebar. Wait for the process to reach 100%
Once the installation wraps up, your Mac boots into the welcome screen. Follow the on-screen prompts to select your region, connect to a local Wi-Fi network, and sign in with your Apple ID.
This comprehensive guide covers everything you need to know about safely sourcing the DMG file, preparing your system, and completing the installation process. System Requirements for macOS High Sierra
Steps for DMG containing installer app:
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Ensure your formatted USB drive is connected and named HighSierraUSB . Open .
This points to a firmware or disk format mismatch. To deploy the OS on a formatted drive
Select using the arrow keys, then press Enter. Format the Target Disk (Clean Install)
Release the Option key when the Startup Manager screen appears showing your available bootable drives.
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