To ensure your system is secure and free of malware, always fetch the installation files directly from Apple's servers. Method A: Downloading via the Mac App Store
You now have HighSierra.iso on your Desktop. You can safely delete the temporary file created in the tmp folder by restarting your Mac or running:
If you are working entirely from a Windows or Linux PC, accessing the Mac App Store is impossible. In these scenarios, users frequently turn to trusted tech community archives (such as the Internet Archive) or specialized Hackintosh forums to find pre-compiled ISO files.
Note: If you get an error saying "Resource busy," just wait a moment and run the command again. You may need to rename the volume in the command to /Volumes/install_build if the label didn't change.
: Restart and hold Command + R to access the recovery tools.
If you are running a newer Mac, you can use the command-line tool to pull the installer from Apple's software update servers. Open the app. Paste the following command and press Enter:
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Once you have a verified ISO file, here is how to use it in common scenarios.
Are you installing this on a , a PC (Hackintosh) , or a virtual machine ?
What (VirtualBox, VMware, etc.) are you using, if any?
It is the final version of macOS that officially supports many older Mac models from 2009–2011. NVIDIA Support: High Sierra is the last macOS version to support NVIDIA Web Drivers
Use Apple's built-in createinstallmedia tool inside the High Sierra app bundle to flash the OS files onto your temporary volume. (Note: You will be prompted to enter your Mac's administrator password).