: You can download the macOS High Sierra 10.13.5 Update directly from Apple Support. Note that this is an update and requires version 10.13.4 to be already installed.
Let me clarify:
# This URL is historical and may 404. It demonstrates the method. curl -O https://swcdn.apple.com/content/downloads/.../InstallMacOS.pkg download macos high sierra 10.13.5 image file -.rdr-
Run the file through a security suite before mounting. : You can download the macOS High Sierra 10
Understanding the macOS High Sierra 10.13.5 .RDR Image File When searching for a macOS installer, you might encounter the often used in the Hackintosh community
: These files are typically byte-for-byte "clones" of a drive, often used in the Hackintosh community