Macos Big Sur Iso 2021 |best| Jun 2026

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

macOS Big Sur from a 2021 perspective, it was a landmark release that bridged the gap between traditional Intel-based Macs and the new Apple Silicon (M1) macos big sur iso 2021

: hdiutil detach /Volumes/Install\ macOS\ Big\ Sur hdiutil convert /tmp/BigSur.dmg -format UDTO -o ~/Desktop/BigSur.cdr mv ~/Desktop/BigSur.cdr ~/Desktop/BigSur.iso Key Considerations for 2026 sudo /Applications/Install\ macOS\ Big\ Sur