Click to format the drive.
: OS X Mountain Lion 10.8 or later installed on the target Mac to upgrade directly. Step-by-Step Guide: How to Create a Bootable USB Installer
Once the macOS Utilities window opens, select to wipe your internal drive (choose APFS for SSDs, or Mac OS Extended for older HDDs).
Open (Press Cmd + Space , type "Disk Utility", and hit Enter). Select your USB drive from the left sidebar. Click Erase at the top menu. Set the Name to exactly: HighSierra (do not use spaces). Set the Format to Mac OS Extended (Journaled) . Set the Scheme to GUID Partition Map . Click Erase and wait for the process to finish. Phase 2: Write the Installer via Terminal download mac os high sierra 1013 6 dmg google drive work
Note: If you encounter a "Google Drive Download Quota Exceeded" error, simply log into your Google account, right-click the file, select "Make a copy", and download the copied file from your own Google Drive folder. Technical Specifications & System Requirements
softwareupdate --fetch-full-installer --full-installer-version 10.13.6
Select using your arrow keys and press Enter. Click to format the drive
: Disconnect your Mac from the internet (turn off Wi-Fi/unplug Ethernet). Open Terminal from the macOS Utilities top menu bar during boot, type date 0701100019 (which rewinds the clock to July 1, 2019), press Enter, exit Terminal, and launch the installer again. 2. "An error occurred while verifying firmware"
Apple distributes older versions of macOS as freeware. Since High Sierra is no longer supported with security updates, Apple allows redistribution as long as no modifications are made. Most Google Drive shares contain the original, unmodified InstallMacOSHighSierra.pkg or a converted DMG extracted directly from Apple’s servers.
If the App Store shows “Get” or “Download”, it’s safe. Open (Press Cmd + Space , type "Disk
If you already have an earlier version of 10.13 installed, you can download the macOS High Sierra 10.13.6 Combo Update directly from Apple Support to bring it to the final version. 2. Third-Party "Working" Links & Tools
See the workarounds listed earlier: copy the file to your own Drive, use a download manager, or try again after 24 hours.
Click to format the drive.
: OS X Mountain Lion 10.8 or later installed on the target Mac to upgrade directly. Step-by-Step Guide: How to Create a Bootable USB Installer
Once the macOS Utilities window opens, select to wipe your internal drive (choose APFS for SSDs, or Mac OS Extended for older HDDs).
Open (Press Cmd + Space , type "Disk Utility", and hit Enter). Select your USB drive from the left sidebar. Click Erase at the top menu. Set the Name to exactly: HighSierra (do not use spaces). Set the Format to Mac OS Extended (Journaled) . Set the Scheme to GUID Partition Map . Click Erase and wait for the process to finish. Phase 2: Write the Installer via Terminal
Note: If you encounter a "Google Drive Download Quota Exceeded" error, simply log into your Google account, right-click the file, select "Make a copy", and download the copied file from your own Google Drive folder. Technical Specifications & System Requirements
softwareupdate --fetch-full-installer --full-installer-version 10.13.6
Select using your arrow keys and press Enter.
: Disconnect your Mac from the internet (turn off Wi-Fi/unplug Ethernet). Open Terminal from the macOS Utilities top menu bar during boot, type date 0701100019 (which rewinds the clock to July 1, 2019), press Enter, exit Terminal, and launch the installer again. 2. "An error occurred while verifying firmware"
Apple distributes older versions of macOS as freeware. Since High Sierra is no longer supported with security updates, Apple allows redistribution as long as no modifications are made. Most Google Drive shares contain the original, unmodified InstallMacOSHighSierra.pkg or a converted DMG extracted directly from Apple’s servers.
If the App Store shows “Get” or “Download”, it’s safe.
If you already have an earlier version of 10.13 installed, you can download the macOS High Sierra 10.13.6 Combo Update directly from Apple Support to bring it to the final version. 2. Third-Party "Working" Links & Tools
See the workarounds listed earlier: copy the file to your own Drive, use a download manager, or try again after 24 hours.