In the window, choose the InstallESD.dmg to convert and the disk type to be 'DVD/CD-R master for export'.Inside the sub-folder Contents/SharedSupport you will find a InstallESD.dmg file.When download finishes, find the app, right-click and select 'Show Package Contents'.Download the macOS Installer file from the App Store (OS X El Capitan and Sierra is downloadable from Apple's website).The manual installation requires access to the Mac App Store through an existing installation of macOS. Semi-automatic installer of macOS on VirtualBox Manual installation Has easily-installed dependencies: VirtualBox>6.0 with Extension Pack, bash>4, coreutils, unzip, wget, dmg2img.Uses only open-source software, no custom bootloader, and original Apple files directly from Apple.Runs on Linux and Windows (WSL, Cygwin).Downloads macOS Catalina, Mojave and High Sierra directly from Apple's servers.Doesn't require a ready-made bootable installation ISO.This is against the EULA of apple, doing this article IS considered piracy. Neither the editors of this book nor Wikibooks have any liability over the installation of macOS or OS X guests on VirtualBox or any other violations of the software license.
According to the macOS and OS X software license agreement, macOS should only be installed on Apple Mac devices.
