How to run the Installation offline without macOS

• Download the Ventura installer (InstallAssistant.pkg) from https://mrmacintosh.com/macos-ventura-13-full-installer-database-download-directly-from-apple/

• Create an ISO file InstallAssistant.iso with the InstallAssistant.pkg and scripts/run_offline.sh files.

  mkisofs -allow-limited-size -l -J -r -iso-level 3 -V InstallAssistant -o InstallAssistant.iso path/to/InstallAssistant.pkg scripts/run_offline.sh

• Add the following to your OpenCore-Boot.sh

  -drive id=MacDVD,if=none,file="$REPO_PATH/InstallAssistant.iso",format=raw
  -device ide-hd,bus=sata.5,drive=MacDVD

• Run ./OpenCore-Boot.sh from the terminal

• Use the Disk Utility tool within the macOS installer to partition, and format the virtual disk attached with name macOS

• When completed, close Disk Utility

• Go to the Terminal in your virtual machine, Click Utilities, select Terminal

• Run the sh /Volumes/InstallAssistant/run_offline.sh command

• Wait for a few minutes for the installation window to appear