If downloading from App Store, use softwareupdate for better speed.
The 2021 ISO releases (typically build 20G413 for 11.6.2 or similar) represent the most stable and polished iteration of Big Sur before Apple shifted focus to macOS Monterey in late 2021.
You must use an (like Auto-Unlocker) to patch VMware so it natively lists macOS as a guest operating system option.
In 2021, Apple solidified macOS Big Sur (version 11) as the foundational operating system for the transition to Apple Silicon (M1) chips while providing substantial updates to Intel-based Macs. It introduced a major design overhaul, Safari enhancements, and new privacy features. macos big sur iso 2021
You generally cannot download an official ISO from Apple; they provide an .app installer. The "Big Sur ISO 2021" usually refers to the community-created disk image used for virtualization.
This common issue stems from system clock mismatches. If using a 2021 installer image, disconnect your VM from the internet, open the terminal inside the recovery setup environment, and roll back the system time to match the 2021 release window: date 101512002021 Use code with caution.
sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/BigSur --nointeraction Use code with caution. Copied to clipboard If downloading from App Store, use softwareupdate for
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Use the createinstallmedia tool on a Mac to convert the official App Store installer into a bootable ISO.
Do not download shady ISOs from random forums. Use the Terminal method above to convert Apple’s official Install macOS Big Sur.app into a pristine ISO. It takes 30 minutes, but you get a secure, bootable, 2021-perfect image that will work on VMware, VirtualBox, or a USB drive. In 2021, Apple solidified macOS Big Sur (version
Your completed, pristine is now saved directly onto your desktop, ready for use. Key Features Introduced in macOS Big Sur
Running macOS Big Sur inside Windows or Linux environments using VirtualBox, VMware Workstation, or QEMU.