Change the name of your drive to Untitled; you need to do this for the steps below. The quick and easy way The process detailed below involves the Terminal. If your really don’t want to use Terminal, there are a couple of free apps you can use. • is a straightforward way to create a boot disk. I was able to make a macOS Sierra external USB boot disk in a few minutes, and the installation worked without a hitch. Also works with older versions of OS X. Save editor download for xbox 360. • is a popular app.

MacBook Pro (Mid 2010 or newer) MacBook Air (Late 2010 or newer) Mac mini (Mid 2010 or newer) iMac (Late 2009 or newer) Mac Pro (Mid 2010 or newer) Since this is the first version of the public release of macOS Sierra, you might want to create a separate partition on your Mac and install Sierra as a dual boot system with Mac OS X El Capitan. That way, you can play around with Sierra and easily switch back to El Capitan if you end up not liking the new operating system.

By default the tool will select your local drive—do NOT use that drive for the installer. Getting ready to create the bootable USB drive. You will then be prompted for your user password (or, if you have a touchbar, to touch the fingerprint sensor). With authentication out of the way, the app will create the bootable USB drive. The process can take some time (about 10 minutes), and will seem like it's not doing anything (there is no progress bar). Wait until a new window pops up informing you your bootable installer has been created and is ready to use. Once complete, eject the USB drive and put it away for safekeeping.