Name it "macOS Big Sur". Set the Type to and Version to Mac OS X (64-bit) . Allocate at least 4 GB of RAM (8 GB is highly recommended).
Many of these downloads were found on blogs, forums, and file-sharing sites. For example, the Mac community site PCBeta offered a download of macOS Big Sur 11.3 (20E232) ISO. Similarly, iBoysoft provided links to download a macOS Big Sur 11.7.10 ISO file.
Setting up Big Sur inside VMware or VirtualBox to test software. macos big sur iso 2021
mv ~/Desktop/BigSur.iso.cdr ~/Desktop/BigSur.iso rm ~/Desktop/BigSur.dmg
The is the least reliable and most dangerous. Name it "macOS Big Sur"
: Unofficial uploads may suffer from data corruption, leading to random kernel panics during installation.
Use the following command to download the latest available version: Many of these downloads were found on blogs,
Apple officially distributes macOS through the App Store as a .app bundle. However, advanced users, IT administrators, and virtual machine enthusiasts often require a for:
: Officially, Big Sur reached its end-of-life in September 2023. While it remains functional, it no longer receives regular security updates.
The primary reason is virtualization. If you are using software like VMware, VirtualBox, or Parallels Desktop on a Windows or Linux host, these platforms are most compatible with an ISO disk image file. The ISO format is a standard disc image file that these virtual machine platforms can easily mount as a virtual DVD or CD-ROM drive. You can then boot the virtual machine directly from the ISO to begin the installation of macOS Big Sur.
: Most community-made Big Sur ISOs from 2021 are either: