This guide covers how to safely acquire the official installer and convert it into a bootable ISO image for your 2021 projects. 1. Download the macOS Big Sur Installer
At least 16GB of free space for the installer and additional space for the ISO creation. Big Sur Compatibility: macos big sur iso 2021
Download the full installer for macOS Big Sur directly on a compatible Mac. This guide covers how to safely acquire the
You now have a pristine, bootable macOS Big Sur (2021) ISO. macos big sur iso 2021
: hdiutil create -o /tmp/BigSur -size 14g -layout SPUD -fs HFS+J
Where to get an official Big Sur 11.2 ISO… - Apple Communities