How to install os x on virtualbox mac os x#
Choose your version (if you have Mojave or Catalina, choose Mac OS X (64 bit).
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.