Apple does not officially provide "ISO" files for macOS; instead, they offer a full installer app through the Mac App Store. If you specifically need an ISO for a virtual machine or a custom bootable tool, you must first download the installer and then convert it using the Terminal. Download from App Store : You can find the direct link to the High Sierra App Store page in official support documents. It is best to use
: Introduced as the default for Macs with all-flash storage, offering improved security, faster file transfers, and crash-safe protection. Macos High Sierra 10.13.6.iso
Once you have the .iso file, the process for installing it on VirtualBox or VMware is relatively standard but requires specific configuration: Apple does not officially provide "ISO" files for
In a modern context, High Sierra is a legacy operating system with clear trade-offs: It is best to use : Introduced as