installs macOS without modifying the original Apple binaries and without third-party bootloaders downloads macOS Catalina, Mojave and High Sierra directly from Apple's servers requires only VirtualBox with its Extension Pack and dependencies that can be easily installed in a single command with most open-source package managers This is against the EULA of Apple, and therefore following this article IS considered a violation of Apple's terms of service. 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. License violations Īccording to the macOS and OS X software license agreement, macOS should only be installed on Apple Mac devices.