To create a macOS High Sierra 10.13.6 ISO, you must first obtain the official installer from Apple and then use Terminal commands to convert it. This ISO is typically used for creating virtual machines in VirtualBox 1. Download the High Sierra Installer
High Sierra introduced Apple File System (APFS) for SSDs. However, 10.13.6 still supports HFS+ (Mac OS Extended) for mechanical hard drives and compatibility with older macOS versions (Snow Leopard, Lion). This flexibility is lost in Mojave and later. Macos High Sierra 10.13.6.iso
Apple File System (APFS): Replaced the aging HFS+. APFS brought significant speed increases for file operations (like duplicating folders), better crash protection, and native encryption. To create a macOS High Sierra 10
hdiutil attach /tmp/HighSierra.dmg -noverify -mountpoint /Volumes/macOS
: Implemented High Efficiency Video Coding for better video compression. Apple Support Community Where to Find the Official Installer : Implemented High Efficiency Video Coding for better