Some Mac users find it helpful to create a bootable installer drive for macOS Big Sur. Typically this is done with a USB flash key or thumb drive, and it can be used to boot up a Mac, erase, format, and of course install macOS Big Sur onto any compatible hardware.

There are many useful reasons to have a bootable installer USB drive for macOS Big Sur, whether to perform updates, installs, clean installs, install onto multiple machines, have as a troubleshooting tool, and so much more. Whatever the reason you want one, let’s check out the process of making a…