Hdiutil attach /Applications/Install\ macOS\ Sierra.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app Paste the following command in Terminal and tap on Enter.
This ISO file must be loaded to the Virtual box of the PC. Step # 1: Creating a macOS Sierra ISO fileįirst of all, we need to create an ISO file of macOS Sierra’s Installer. If the above links are not working for mac os VirtualBox image download, then you have to create mac os high sierra VirtualBox image with a slight effort below.