MAC

macOS Tools

Download macOS Big Sur > Get it on the Apps Store

Download older versions of macOS

 

 

Create bootable macOS USB drive

 

Create bootable macOS drive using DiskMaker X:
  1. Download DiskMaker X
  2. Download macOS from App Store into Applications folder  [Do NOT run installer]
  3. Attach a USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  4. Launch DiskMaker X … Follow the prompts to complete the USB creation …
 

 

https://support.apple.com/en-us/HT201372

Create bootable macOS Big Sur (10.16) install drive using <createinstallmedia> utility:
  1. Download macOS Big Sur from App Store into Applications folder  [Do NOT run installer]
  2. Attach 8GB USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  3. Start Terminal and type:
sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled

 

 

Create bootable macOS Catalina (10.15) install drive using <createinstallmedia> utility:
  1. Download macOS Catalina from App Store into Applications folder  [Do NOT run installer]
  2. Attach 8GB USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  3. Start Terminal and type:
sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled
 
 
 
Create bootable macOS Mojave (10.14) install drive using <createinstallmedia> utility:
  1. Download macOS Mojave from App Store into Applications folder  [Do NOT run installer]
  2. Attach 8GB USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  3. Start Terminal and type:
sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled
 
 
 
Create bootable macOS High Sierra (10.13) install drive using <createinstallmedia> utility:
  1. Download macOS High Sierra from App Store into Applications folder  [Do NOT run installer]
  2. Attach 8GB USB drive … Using Disk Utility erase USB drive [Name: Untitled] [Format: OS X Extended (Journaled)]
  3. Start Terminal and type:
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled