How to make a bootable USB flash drive with macOS

The easiest way to upgrade to the new version macOS through the Mac App Store. But if the old system had a problem, you may need to perform a clean installation, where do without a bootable USB drive.

Do it in two ways: through the "Terminal" and with the help of special tools. The first is suitable for advanced users, the second - for beginners and those who for whatever reason do not like to mess with the command line.

Step 1. Loading macOS

Click on one of the links and download the correct version of the installer macOS from the Mac App Store:

• macOS Mojave;
• macOS High Sierra;
• macOS Sierra;
• OS X El Capitan.

Confirm your download by clicking the "Download".

When the process is finished, click the menu bar "Complete the installation macOS"To close the installer.

Step 2. Creating a bootable disk

How to create a bootable USB flash drive in the "Terminal"

Connect the USB-stick into your Mac and find it in the Finder.

Select "Rename" shortcut menu and type a new name MyVolume.

Open the "Terminal" through Spotlight or "Programs" folder → «Utility».

Copy and paste the window "Terminal" command, depending on the installed OS version.

mojave:

sudo / Applications / Install \ macOS \ Mojave.app/Contents/Resources/createinstallmedia --volume / Volumes / MyVolume. 

High Sierra:

sudo / Applications / Install \ macOS \ High \ Sierra.app/Contents/Resources/createinstallmedia --volume / Volumes / MyVolume. 

sierra:

sudo / Applications / Install \ macOS \ Sierra.app/Contents/Resources/createinstallmedia --volume / Volumes / MyVolume --applicationpath / Applications / Install \ macOS \ Sierra.app. 

El Capitan:

sudo / Applications / Install \ OS \ X \ El \ Capitan.app/Contents/Resources/createinstallmedia --volume / Volumes / MyVolume --applicationpath / Applications / Install \ OS \ X \ El \ Capitan.app. 

Enter the administrator password.

confirm format stick, By driving Y and pressing enter. Be careful, all data from deleted it.

Wait for the backup, and remove the USB flash drive.

How to create a bootable USB flash drive in DiskMaker X

Download the utility from DiskMaker X site Developer.

Open the DMG-image with the utility, and then drag it to the folder icon "Program" below.

Run DiskMaker X through Lauchpad or Spotlight.

Click Use this copy button to confirm the use of the downloaded installer.

Confirm your choice USB-disks, select your USB flash drive from the list and click Choose this disk.

Agree with the format and delete all data on a flash drive by clicking the Erase then create the disk.

Choose a light or dark theme clearance.

Click Continue and enter the administrator password.

Wait a few minutes. Utility window does not appear, but you will receive a course of creating a boot disk notice.

What to do next

Now that you have a bootable flash drive, you can install it with macOS on any compatible Mac. It is necessary to connect the drive to your computer, restart it while holding the button Option, then choose from a list of available startup disks and follow the prompts of the installation wizard.