Create a bootable installer for macOS - Andy's Blog

Tools

• USB (At least 16G)

• MacOS Installer

  From App Store

  Sonoma 14

  Ventura 13

  Monterey 12

  Big Sur 11

  Catalina 10.15

  Mojave 10.14

  High Sierra 10.13

  
  

  Disk installer

  Sierra 10.12

  El Capitan 10.11

  Yosemite 10.10

  Mountain Lion 10.8

  Lion 10.7

After successfully downloading the installer, you should be able to find it in Launcher or Application folder.

Steps

1. Plug in your USB, and open the Terminal.

2. Enter the commands below based on the MacOS installer you downloaded.

   Replace MyVolume with your actual USB drive name.

   Sonoma

   sudo /Applications/Install\ macOS\ Sonoma.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

   Ventura

   sudo /Applications/Install\ macOS\ Ventura.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

   Monterey

   sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

   Big Sur

   sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

   Catalina

   sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

   Mojave

   sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

   High Sierra

   sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

   EI Capitan

   sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app

3. Done

References

• How to download and install macOS
• Create a bootable installer for macOS