Before downloading, ensure your hardware matches the requirements for this operating system. Minimum Requirement Intel Core 2 Duo, Core i3, i5, i7, or Xeon Memory (RAM) 2 GB minimum (4 GB recommended) Storage Space 8.8 GB of available disk space System File Format Apple File System (APFS) for SSDs Supported Mac Models MacBook: Late 2009 or newer MacBook Air / Pro: Late 2010 or newer Mac mini / iMac: Late 2009 or newer Mac Pro: Mid 2010 or newer
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Find and select whether you want to output it as a raw Application bundle or a compiled .dmg disk image. Method 3: Alternative Archives for Windows Users Method 3: Alternative Archives for Windows Users A
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Once you have your "Install macOS High Sierra.app" or DMG, follow these steps to create a bootable drive:
If you encounter an "Installer payload signature verification failed" error during configuration, your Mac's internal clock is likely mismatched with Apple's older security certificates. You can easily fix this by opening before starting the install wizard and rolling back your clock using the command date 0101010118 (setting the date back to 2018).
Certain professional audio/video tools are optimized for this version.