Apple on Wednesday released OS X El Capitan as a free upgrade and as a result, lots of Mac users are busy upgrading their desktop and notebook computers.

My macbook pro (mid-2015) is out of service. I need to reinstall OS X on it. Note that I can't access the recovery partition; it has been wiped out too. I have the InstallESD.dmg file, that I found online; I checked the hash value. I would like to know how to make a bootable USB device with that file. Note that I have a USB key with a MBR. Over at The Loop, Dave Mark commented on Apple’s list of enhancements in El Capitan. It’s an impressive list. But it really brought something into sharp relief for me: I don’t use any of the new features in recent Mac OS X updates. I was really tired of Lucida Grande and I prefer flatter design, so the interface improvements in Yosemite and now El Capitan are worth the update.

As with OS X Lion, OS X Mountain Lion, OS X Mavericks and OS X Yosemite, Apple makes it easy for users to install the upgrade by downloading El Capitan from the App Store and running the installer.

See also: Apple OS X El Capitan review: A more refined Mac experience

For most users, this is the best way to upgrade because it means your existing programs and data remain where they are. Sometimes, however, you don't want to do a regular OS upgrade. Maybe you want to start fresh or maybe you need to install El Capitan on a machine that doesn't already have OS X installed. For those users, the best bet is to do a clean installation, erasing the hard disk and installing from scratch.

After performing the Workstation installation, you can proceed to the setup.You can download the Apple ISO image and the tools required for VMware from the links at the bottom of the article to your computer. Residence hall printing

If you want to do a clean install of OS X El Capitan on your Mac — or on a new hard drive — you can do it, it just takes a bit of work.

If you've gone through the clean install processes in the last few years, these instructions will look familiar. (That's because they are almost the same as past years, albeit with changes made for the proper OS name). With a little time, it's relatively easy to create a bootable copy of OS X El Capitan that you can run from a USB stick or other drive. Ableton 10.1.6 mac crack.

Note: A clean install will erase all of the contents on your disk drive. Make sure to back up your important files, settings and apps before proceeding.

After the Install

After installing OS X El Capitan, you can start restoring your programs and settings using either a Time Machine backup or Migration Assistant.

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 Mojave, and macOS High Sierra 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.
    To get the required 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.
  • macOS Sierra downloads as a disk image that contains a file named InstallOS.pkg. Open this file and follow the onscreen instructions. It installs an app named Install macOS Sierra into your Applications folder.
  • OS X El Capitan downloads as a disk image that contains a file named InstallMacOSX.pkg. Open this file and follow the onscreen instructions. It installs an app named Install OS X El Capitan into your Applications folder.

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:*
    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 commands for Sierra and 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:

Sierra:

El Capitan: