Before downloading, ensure your Mac supports High Sierra. The general rule is that most Macs from 2010 or newer are compatible. : MacBook : Late 2009 or newer. MacBook Pro & Air : Mid/Late 2010 or newer. iMac : Late 2009 or newer. Mac mini & Mac Pro : Mid 2010 or newer.
Improved graphics performance and support for external GPUs. macos high sierra 10.13 6 iso download
: If you are on a Mac running macOS Catalina 10.15 or later, you can download the full installer using this command in Terminal: softwareupdate --fetch-full-installer --full-installer-version 10.13.6 Before downloading, ensure your Mac supports High Sierra