sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/BigSur --nointeraction Use code with caution. hdiutil detach /Volumes/Install\ macOS\ Big\ Sur Use code with caution. 5. Convert the .dmg file into a universal .cdr file:

Allocate at least 50 GB of virtual storage space for the guest operating system to install and run updates smoothly.

You can download the official "Install macOS Big Sur" application through these methods: App Store: macOS Big Sur App Store page . This will open Software Update to start the download. Terminal Command:

: Redesigned to use interactive "cards" that group notifications more efficiently. Performance & User Sentiment

Check the file size and integrity:

Are you looking to install this on or a Virtual Machine like VMware or VirtualBox? How to download macOS Big Sur

smc.version = "0"

VirtualBox requires specific command-line tweaks to spoof Apple hardware on a Windows machine. Close VirtualBox completely, open the Windows Command Prompt (CMD) as an , and run the following commands one by one (replace "macOS Big Sur" with your exact VM name):

Eject the volume, convert the DMG to a CDR, then rename it to ISO: hdiutil eject -force /Volumes/Install\ macOS\ Big\ Sur hdiutil convert /tmp/BigSur.dmg -format UDTO -o ~/Desktop/BigSur.cdr mv ~/Desktop/BigSur.cdr ~/Desktop/BigSur.iso Key Details (2021 Context) How to download macOS Big Sur

Mount your Big Sur ISO into the virtual optical drive.