Once you’re done with Disk Utility, launch up Install macOS Big Sur.

Instead, you should click on Macintosh HD, and then click the Erase button. That’s not what you want to focus on here. Initially, it will focus on macOS Base System. Then, drag it to Install from disc or image.Ĭlick the play button to start up the VM and boot into macOS’s recovery mode. If you used installinstallmacos.py, you’ll have to mount (by double-clicking) the disk image you downloaded to find the installer inside. If you used softwareupdate, that should appear in your Applications folder. Once you launch up VMware Fusion, you’ll get a prompt asking you for a disc or image.įind the Install macOS Big Sur.app installer. One advantage of using this script is you have the option to pick slightly older installers, if you want to test those instead: Method 2Īnother way to fetch the macOS installer is to use the installinstallmacos.py script: When you fetch the full installer “installing” just means downloading.

Once the download is complete, it will stop with the “installing” percentage:ĭon’t be alarmed by the term Installing.

There’s a way built into macOS to get the installer using the softwareupdate -fetch-full-installer command in Applications > Utilities > Terminal. It’s not that difficult to install a macOS guest VM on a macOS host using VMware Fusion and personal (non-enterprise) licenses for VMware Fusion are now cost-free.

Macos in a vm