You can also use Safari, Disk Utility, or Time Machine from the recovery partition to restore backups or troubleshoot.Creating a bootable installer is very easy, and there are a variety of methods to do so.
#Download mac os mojave to usb install#
Once booted, you'll be able to install or upgrade Mojave as you normally would. Whichever method you use, you should be able to boot from your new USB drive either by changing the default Startup Disk in System Preferences or by holding down the Option key at boot and selecting the drive. If you’d like to create an install drive for a macOS version other than Mojave, just tweak the paths above to refer to Sierra or High Sierra instead. Give it some time, and your volume will soon be loaded up with not just the macOS installer but also an external recovery partition that may come in handy if your hard drive dies and you're away from an Internet connection. The command will erase the disk and copy the install files over. Sudo '/Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia' -volume /Volumes/Untitled -nointeraction -downloadassets Assuming that you have the macOS Mojave installer in your Applications folder and you have a Mac OS Extended (Journaled)-formatted USB drive (which is to say, HFS+ and notAPFS) named "Untitled" mounted on the system, you can create a Mojave install drive using the following command. The Install Disk Creator is just a wrapper for the terminal command to create macOS install disks, so if you’re comfortable formatting your USB drive yourself and opening a Terminal window, it’s almost as easy to do it this way.
This should only take a few minutes on a USB 3.0 flash drive in a modern Mac, though using USB 2.0 or other interfaces will slow things down. A progress bar across the bottom of the app will tell you how far you have to go, and a pop-up notification will let you know when the process is done. Once you're ready to go, click "Create Installer" and wait. You can navigate to a different one if you want, and you can also pick from among all the storage devices and volumes currently connected to your Mac through the drop-down menu at the top of the window. Install Disk Creator will automatically detect macOS installers on your drive and suggest one for you, displaying its icon along with its path. In any case, it will work just fine for our purposes. This app is basically just a GUI wrapper for the terminal command, so it should be possible to make install disks for versions of macOS going all the way back to Lion. Once you've obtained all of the necessary materials, connect the USB drive to your Mac and launch the Install Disk Creator. Apple rolls support for newer hardware into new macOS point releases as they come out, so this will help keep your install drive as universal and versatile as possible. If you want to use this USB installer with newer Macs as they are released, you'll want to periodically re-download new Mojave installers and make new install drives periodically. There are other apps out there that do this, but this one is quick and simple.
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