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It runs older 32-bit applications that are completely blocked on macOS Catalina and newer operating systems. The Danger of Low-Quality Third-Party DMGs

Once you have your clean DMG file, the best way to utilize it is by flashing it to a USB drive (minimum 16GB required). Plug in your USB drive.

Method 2: Terminal Download Utility (macOS Catalina or Newer)

Close Disk Utility, select , and follow the on-screen prompts to complete the installation process. If you want to optimize your setup, let me know:

By following this guide and obtaining a high-quality macOS High Sierra 10.13.6 DMG file, you'll be able to enjoy a stable, secure, and feature-rich operating system on your Mac.