You can do this using the command line by following the instructions in this tutorial. You will also need to download the macOS Big Sur installer app to your Applications folder.

If you’re using a Mac that doesn’t contain USB ports, you might also need an If you don’t have a spare USB Flash Drive, I recommend getting aġ6 GB SanDisk Ultra Fit from Amazon * because they are fast, reliable and have a micro form factor. The USB Flash Drive will need to be wiped so don’t use a drive with existing data because you will lose it. You will need a USB Flash drive big enough to store the macOS Big Sur installer (13.57 GB). This tutorial shows you how to create a bootable macOS Big Sur Flash Drive so you can upgrade a Mac that doesn’t have a DVD drive. Perfect for development environments and practice labs. Run Linux, macOS, vSphere and more on a single PC or Mac.

Run Multiple Operating Systems on PC and Macĭownload VMware's Powerful desktop virtualization tool for Developers and IT Professionals.

Mac os iso to usb bootable