How To Create Mac App Installer

  

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.

MacOS Installer File. In order to create a bootable USB drive for Mac, you need download Mac OS installer. Open App Store on your Mac and search for the latest macOS version. Remember, App Store will only have the latest version which is macOS Mojave at this point when we write this article. Search for “macOS mojave” and click on the.

Create Bootable USB Installer For macOS Catalina via TransMac. There are several apps and ways to create bootable USB installer. For this example, we’ll use TransMac. TransMac is a third-party Windows software that copies and manage files and folders on Apple systems, including Mac hard drives, USB flash drives, and other. Creating a 'DMG installer' for OS X. A DMG Installer is convenient way to provide end-users a simple way to install an application bundle. They are basically a folder with a shortcut to the Applications directory but they can be customized with icons, backgrounds, and layout properties.

Download macOS

Find the appropriate download link in the upgrade instructions for each macOS version:

macOS Catalina, macOS Mojave, ormacOS 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

  1. Connect the USB flash drive or other volume that you're using for the bootable installer. Make sure that it has at least 12GB of available storage and is formatted as Mac OS Extended.
  2. Open Terminal, which is in the Utilities folder of your Applications folder.
  3. Type or paste one of the following commands in Terminal. These assume that the installer is still in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If it has a different name, replace MyVolume in these commands with the name of your volume.
    Catalina:*
    Mojave:*

    High Sierra:*
    El Capitan:
  4. Press Return after typing the command.
  5. When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
  6. When prompted, type Y to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the bootable installer is created.
  7. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Catalina. You can now quit Terminal and eject the volume.

* 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:

  1. Plug the bootable installer into a compatible Mac.
  2. Use Startup Manager or Startup Disk preferences to select the bootable installer as the startup disk, then start up from it. Your Mac will start up to macOS Recovery.
    Learn about selecting a startup disk, including what to do if your Mac doesn't start up from it.
  3. Choose your language, if prompted.
  4. A bootable installer doesn't download macOS from the Internet, but it does require the Internet to get information specific to your Mac model, such as firmware updates. If you need to connect to a Wi-Fi network, use the Wi-Fi menu in the menu bar.
  5. Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.

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:

High Sierra:

El Capitan:

The macOS High Sierra is the newer version of Apple’s operating system which is still vastly used and loved by users. macOS High Sierra was launched and put out back in 2017 WWDC. But even with the newer versions, there are still lots of users who wants to install High Sierra. Because most users whose Mac aren’t compatible with can download and install in their old Mac. Users can install macOS High Sierra on their old Macs and make use of it. Here’s how to Create macOS High Sierra Bootable USB installer on Windows.

You can install macOS High Sierra on Mac, iMac, MacBook, and even Windows, Linux, and more. But for the most part, you’d need a bootable USB installer. Now sometimes you’ve access to Windows while your Mac isn’t working or have some problem. In this case, you’d probably want to create macOS High Sierra Bootable USB Installer on Windows. For those who doesn’t know, creating a macOS bootable USB installer on Windows is definitely possible and can be done with really simple steps with software like TransMac.

  • Related:How to Create macOS Catalina USB Installer on Windows

A bootable USB is required for quite lots of things like installing macOS High Sierra on PC via Hackintosh, or installing High Sierra on Mac or Macs. Hackintosh is an act that allows users to install and use macOS on PC. A bootable USB is required for installing any operating system. Not only macOS High Sierra but you’ll also need a bootable USB drive to install new versions of macOS Mojave, macOS Catalina, and updated versions.

Free Installer App

A bootable flash drive is an external hard drive or optical disk that is created with a computer operating system and can be used to boot a desktop computer or laptop instead of the Windows installation DVD. The USB drive has replaced bootable disks. Before USB drives were on-trend people used to use bootable disks instead of bootable USB drives.

How To Create Windows Installer

What is The Need of USB

A USB flash drive is a portable storage device that includes flash memory with an integrated USB interface. It is probably removable, rewritable, and much smaller than an optical disc. You can store any information, file, or any other file in a USB drive.

How to create mac app installer download

You can write, erase, or enter any information files and similar files or videos like that. You can find many USB flash drives with different storage space. USB flash drives are frequently used for storage, data back-up, and transfer of computer files. The primary need of USB is to store, transfer and send files from one place to another better and quicker.

  • Related:How to Create macOS Mojave USB Installer on Windows

Beside it, you can create a bootable USB for installation purposes. If you want to install one operating system or dual boot that would be to work both of them like; macOS and Windows. Another reason why you need a USB is, installing an operating system with USB is much easier and quicker.

These are also some other common reasons why do we need a USB. Some of them are, transferring a file or a bunch of files is easier with a USB. USB drives are like a backup drive of the files or documents that you have in. The plus point is that USB drives are way smaller rather than a computer or a laptop, and there are uncountable reasons why we need a USB drive.

What You’ll Need

Before we start the process of creating a bootable USB installer for macOS High Sierra we need some key items.

  • Access to Mac OS X or macOS (version 10.12 or later)
  • Bootable USB Maker TransMac
  • A 16GB USB flash drive

Not to miss one, recheck and pick all of them. Except for others, when its there, install TransMac straightly. Click next a couple of times until the installation screen and that’s it. You’ll see the finish window. So let’s dive into how to Create macOS High Sierra Bootable USB Installer on Windows.

How to Create macOS High Sierra Bootable USB Installer on Windows

Whether you want to install High Sierra or reinstall it because the first installation wasn’t successful or if you want to install macOS High Sierra on many Macs, you’ll definitely need a bootable USB. Here’s how to Create macOS High Sierra Bootable USB Installer on Windows.

After you download, install the required items. Then we are gonna create macOS High Sierra bootable USB installer on Windows.

Installing TransMac

After TransMac is installed, open it and insert your USB flash drive and when it appeared there, right-click on it and select Format Disk for Mac.

Make sure to select the USB drive to format as others are the Windows drivers so be careful.

First, take a backup and then follow here. Now enter a name for the USB and click OK. This part will remove everything from the device. If you haven’t take a backup of your files don’t follow this step.

Name Drive for Mac Volume

Create Installer Free

Right-click on the USB drive and select Restore with Disk Image.

It will ask you to choose a disk image to restore so you should click on the three dots and select macOS High Sierra DMG.

Browse DMG

After you clicked on macOS DMG it will open up a screen with macOS High Sierra DMG file. Click on the DMG file and press Open.

How To Create Mac App Installer Mac

Wait for a little bit for the process to write the DMG file to USB drive.

Restoring image to Disk

After the process ends, your bootable USB for macOS High Sierra is ready. The process was simple and quick. Now you can install High Sierra typically as you’d do.

If you want to install macOS High Sierra on Windows, you can check out the article. You can also check out our similar articles to this like Create macOS Catalina USB installer on Windows, Create macOS Mojave USB Installer on Windows.

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How To Create Mac App Installer Windows 10

That was how to Create macOS High Sierra Bootable USB Installer on Windows. We hope it was informative and useful. If you have any suggestions or questions related to this topic, you’re open to make comments below.