Macos Big Sur _verified_ Download Offline Installer

sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Use code with caution. Copied to clipboard

Note: Replace MyVolume with the actual name of your USB drive. macos big sur download offline installer

The most official way to get the installer is through the App Store. sudo /Applications/Install\ macOS\ Big\ Sur