For a step-by-step visual on executing these terminal commands and verifying the output: How to Create macOS Big Sur ISO image Mac2iPhone YouTube• 14 Jan 2021 4. Alternative: Pre-made ISOs How to download and install macOS - Apple Support (IN) 23 Dec 2025 —
If you want to run macOS Big Sur inside a virtual machine on a Windows or Linux PC using VMware, VirtualBox, or QEMU, the virtualization software generally requires an ISO file to boot the installer.
cd "C:\Program Files\Oracle\VirtualBox\" VBoxManage.exe modifyvm "macOS Big Sur" --cpuidset 00000001 000106e5 00100800 0054320b 76cbfbfb VBoxManage setextradata "macOS Big Sur" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac19,1" VBoxManage setextradata "macOS Big Sur" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0" VBoxManage setextradata "macOS Big Sur" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "IEMU" VBoxManage setextradata "macOS Big Sur" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" VBoxManage setextradata "macOS Big Sur" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1 Use code with caution.
2013-2015 models or newer depending on the specific line (e.g., MacBook Air 2013+, MacBook Pro Late 2013+). Apple Support 2. Download the Big Sur Installer macos big sur iso 2021
Before working with macOS Big Sur, ensure your hardware or virtualization environment meets the necessary system requirements. Big Sur brought a massive visual redesign and dropped support for several older Mac models. Official Mac Compatibility
Since there is no official ISO from Apple, any ISO file labeled "macOS Big Sur" circulating online is a third-party conversion of this official installer. As of 2021, Apple's software update tool only offers the most recent versions, with older versions like 11.2 and 11.3 no longer being available for download.
sudo rm -fv /tmp/BigSur.dmg
macOS Big Sur ISO 2021: Complete Guide to Downloading and Installing
Use a tool like Auto-Unlocker to allow "Apple Mac OS X" as a guest operating system option.
Once you have your ISO file, setting it up in a virtual environment on Windows is a straightforward process. Step 1: Create the Virtual Machine Open VirtualBox and click . For a step-by-step visual on executing these terminal
Alternatively, if you have a legitimate copy from 2021:
A: It is safest to create your own using Method 1 above.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. 2013-2015 models or newer depending on the specific line (e