You can download standalone Update packages (like the macOS 10.13.5 Update ) directly from Apple Support, though these require an existing 10.13 installation to run.
for its operating systems. The standard file formats for macOS installers are (via the App Store) or (via Apple Support pages). Apple Support Community download macos high sierra 10135 image file rdr hot
: If you already have High Sierra 10.13.4, you can download the macOS 10.13.5 Update or the 10.13.5 Combo Update to reach that specific version. You can download standalone Update packages (like the