Requirements:
sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyUSB --nointeraction download catalina 10157 full installer high quality
Alternatively, you can use the spctl (security assessment) command: Requirements: sudo /Applications/Install\ macOS\ Catalina
Paste this command into the window: sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled Press . Type your Mac account password and press Enter again. Press Y to confirm that you want to erase the drive. download catalina 10157 full installer high quality
To pull the full installer, copy and paste this specific command into Terminal: