May 2026 Target OS: Apple macOS Big Sur 11.0.1 (Build 20B29) File Format: .ISO (Bootable Disk Image)
While the official installer is distributed as a .pkg or .app via the Mac App Store , third-party repositories often package it as an .iso file for: macOS Big Sur 11.0.1 Final (20B29) is LIVE! - Mr. Macintosh --- Macos Big Sur 11.0.1 -20b29-.iso Google Drive
sudo asr restore -source /Applications/Install\ macOS\ Big\ Sur.app/Contents/SharedSupport/BaseSystem.dmg -target /Volumes/InstallBigSur -erase May 2026 Target OS: Apple macOS Big Sur 11