Itâs autumn again; the leaves are starting to fall, a new version of macOS has just shipped, and the team at DiskMaker has just released the newest version of DiskMaker X. Whatâs so exciting about that? DiskMaker X 8 is a quick and easy way to create bootable install disks, and many Rocket Yard readers have used the free utility over the years so they have a flash or hard drive they can use for a clean install of macOS. In this article weâll show you how to create a bootable install drive.
From the boot options list, select your thumb drive containing macOS Mojave Installer as boot drive by using arrow keys and hitting the Enter key; On boot, you will see this clover bootloader screen. From here, you need to select the disk that says âBoot macOS Install from Install macOS Mojaveâ. Installing macOS Mojave 10.14. Mar 19, 2019 MacOS Mojave 10.14.1 free Download: MacOS Mojave is the latest operating system for the Mac lineup of hardware from apple which includes MacBooks, iMacs, Mac Minis and more from Apple. The new addition to the Macbook Operating Systems launched on 24th September of the year 2018.
There are other ways to make a bootable installation disk that require familiarity with the Mac command line, but DiskMaker X just makes the process much more âMac-likeâ and transparent.
Download DiskMaker X 8
Click the link above to download a copy of DiskMaker X 8 to your Mac. DiskMaker X is free of charge, but sending the developers a donation to support their work is always a good idea.
Install DiskMaker X 8 (DiskMaker X 8 Installer Screen.)
To install DiskMaker X 8, find the installer disk image file. By default, it should be in the Downloads folder. Once youâve located the disk image file, double click it to mount the disk image and a screen similar to the one below appears:
Drag the DiskMaker X 8 icon to the Applications folder alias as shown by the gray arrow on the installer screen. The app is installedâ¦but wait to launch it because there is more work to do firstâ¦
Download the macOS Mojave Installer
Perhaps youâve already upgraded your Mac to macOS Mojave. If so, you probably wonât find the installer in your Applications folder. Thatâs not a problem since you can download it from the Mac App Store. Note that if you have already installed Mojave, clicking the âGetâ button in the Mac App Store will launch System Preferences > Software Update and youâll see the following dialog (see screenshot below).
Still running macOS 10.13 High Sierra or earlier?
(Mojave page in the Mac App Store.)
Click the Download link (itâs shown as âDownloadingâ in the screenshot above) and the Mojave Installer is downloaded into the Applications folder on your Mac.
Have a USB Flash Drive, or USB, Thunderbolt or FireWire Drive Available
Creating your bootable install drive takes a drive with at least 8GB of capacity. USB flash drives are acceptable for this task, although quite slow. Some Mac owners purchase a new 8 or 16GB flash drive each year so they have a macOS installer archive for each version. The affordable OWC 16GB Dual USB Flash Drive works perfectly as an installer drive. ![]()
For faster installations, a USB 3.0 drive like the pocket-sized 1TB OWC Express works perfectly. If youâre going to be doing a clean install of Mojave on a bunch of Thunderbolt-equipped Macs, take a look at the 1TB LaCie Rugged Thunderbolt drive.
DiskMaker X erases what ever is on the drive when you create the bootable macOS Mojave install drive. If you want to use the same drive to carry other utilities or troubleshooting tools or want to use it as a backup drive, that needs to be set up after youâve created the bootable install drive.
Already running macOS 10.14 Mojave? READ THIS BEFORE CONTINUING!
macOS 10.14 Mojave has a new Privacy Control mechanism built into it that will cause multiple alerts to appear on the screen. To bypass a few of the alerts, itâs necessary to give Accessibility authorization. Hereâs how to do that:
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Be sure to remove this authorization after youâre done using DiskMaker X to create your bootable drive.
Download Bootable Mac Os Disk
Also note that that there are alerts that appear when running DiskMaker X even though youâve authorized this setting. Click OK when the alerts appear.
Launch DiskMaker X 8 (DiskMaker X 8 found a copy of the installer in /Applications.)
Attach the drive to the Mac, make sure that the drive is visible from the Finder (in some cases a drive icon may appear on the Desktop), then launch DiskMaker X 8. Note that if youâve kept macOS installers from the past in your Applications folder, DiskMaker X asks which version of the operating system you wish to use to make a boot disk from. Select the version â in the case, macOS Mojave (10.14) â and then the following dialog should appear:
Earlier we noted that the downloaded macOS installer should have ended up in the Applications folder. If DiskMaker X 8 selects the Applications folder and finds a copy of the installer software in it, click âUse this copyâ â the button will be highlighted. The app then asks for the type of disk youâre using for your bootable disk (see image below).
(If you have a thumb drive, click the appropriate button; hard disk, use âanother kind of diskâ.)
Download Mojave For Usb
Remember that whatever drive you use is completely erased by DiskMaker. If youâre thinking about making a single disk that can install Yosemite, El Capitan, Sierra, High Sierra and Mojave, use Disk Utility (found in the Applications/Utilities folder) and partition the drive into five separate volumes â one for each operating system version.
For this example a hard drive was erased and named âMojave Installerâ and is our target drive, so clicking âAnother kind of diskâ (rather than âAn 8 GB USB thumb driveâ) is appropriate. DiskMaker X then asks which drive you wish to erase (see image below).
(Selecting the drive to be erased.)
In this case, select âMacOS Mojave 10.14 Install Disk â 10.14)â (or whatever you named your disk), then click âChoose this diskâ.
(DiskMaker warning that the drive will be erased.)
Youâre reminded one more time that the volume is going to be erased (see image above). Click âErase then create the diskâ and DiskMaker X 8 then reminds you that youâre required to type in the administrator user name and password (see screenshot below).
(Youâll need to enter your admin login and password.)
During the disk creation process, temporary windows open and close, files are copied, and you may be asked if you wish to use your disk as a Time Machine backup drive â if this happens (and it may occur more than once) click âDonât useâ. If youâre running a virus protection app, it may ask if you wish to scan the disk; be sure to tell it to leave your disk alone!
Youâll know that DiskMaker X 8 is done when you hear a lion roar, and a dialog is displayed to inform you of the completion.
(Your bootable disk is ready. Be sure to donate to DiskMaker Xâs developers.)
Now (as seen in the screenshot above), itâs possible to reboot your Mac while holding down the Option (Alt) key to select your boot drive, or use System Preferences > Startup Disk to set the drive you just created as the boot drive.
Our thanks to Guillaume Gète and the rest of the DiskMaker X team.
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These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.
Download macOS
Find the appropriate download link in the upgrade instructions for each macOS version:
macOS Catalina, macOS MojaveormacOS High Sierra
Installers for each of these macOS versions download directly to your Applications folder as an app named Install macOS Catalina, Install macOS Mojave, or Install macOS High Sierra. If the installer opens after downloading, quit it without continuing installation. Important: To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
OS X El Capitan
El Capitan downloads as a disk image. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer. Use the 'createinstallmedia' command in Terminal
* If your Mac is using macOS Sierra or earlier, include the
--applicationpath argument, similar to the way this argument is used in the command for El Capitan.
Use the bootable installer
After creating the bootable installer, follow these steps to use it:
Learn more
For more information about the
createinstallmedia command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal:
Catalina:
Mojave:
Download Mac Os Mojave Installer
High Sierra:
Download Mac Os Mojave For Bootable Disk Mac
El Capitan:
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