If you are performing a clean install, you will need to burn your .dmg or .app installer to a USB flash drive. Plug a into your Mac. Open Disk Utility ( Applications > Utilities ). Select your USB drive on the left and click Erase . Format it with the following settings: Format: Mac OS Extended (Journaled) Scheme: GUID Partition Map
⚠️ – risk of malware.
Turn on the Mac and immediately press and hold the key.
Press the button while holding down the Option (Alt) key. Release the key when the Startup Manager screen appears. download macos high sierra 10.13.6 dmg mac
Open Terminal and use the createinstallmedia command directly on your USB drive to save time: sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume (Replace "MyVolume" with the exact name of your USB drive) . Step 4: Installing macOS High Sierra 10.13.6
Click the link for . This will automatically redirect you to the Mac App Store. Click the Get button.
: Untitled (Keep this exact name to make the Terminal command easier) Format : Mac OS Extended (Journaled) Scheme : GUID Partition Map Click Erase , then click Done when finished. Open Terminal and input the following command: If you are performing a clean install, you
To download , it is recommended to use official Apple sources to ensure security and compatibility. Official Download Methods
: Using other browsers might not trigger the App Store redirect correctly. Use the Direct Link : Click this Official macOS High Sierra Link to open the product page in the Mac App Store. Click "Get" or "Download" : This will download Install macOS High Sierra.app Applications If the App Store Link Doesn't Work
Apple provides the installer as a hidden download on their support servers. While the file typically downloads as a .app (Install macOS High Sierra.app) inside a disk image, users often look for the raw DMG for virtualization or archive purposes. Select your USB drive on the left and click Erase
Terminal will display a progress bar. Once completed, look inside your folder for Install macOS High Sierra.app . 3. How to Convert the High Sierra app into a DMG File
MacOS High Sierra 10.13.6 is a significant update to the MacOS operating system, released on July 9, 2018. This version brings several notable improvements, including:
Terminal will copy the files. Do not unplug the drive until you see the message: "Install media now available at "/Volumes/Install macOS High Sierra"" . Troubleshooting Common High Sierra Installation Issues