Macos High Sierra 10.13.5.iso

If you just need a bootable USB drive for a real Mac, use Apple’s createinstallmedia – an ISO is unnecessary.

While Apple’s numbering can seem arbitrary, the 10.13.5 update (released June 1, 2018) was a milestone: macos high sierra 10.13.5.iso

Pre-made ISO files for 10.13.5 are often hosted on community sites like the Internet Archive If you just need a bootable USB drive