Step 3: Connect your USB drive to you Mac ( Note: You need 8GB or larger drive for this purpose.) Click Install macOS menu and select โ€� Quit Install macOS โ€� from the dropdown menu
Step 2: Once downloaded, exit the App Store and follow the instructions from the installation window that appears. In case you have already purchased this version before, you can find it in the Purchased section. For earlier versions, open the App Store and find and install your version from there. If youโ€�re using Catalina, find and download the version from the App store. Step 1: First, you need to download the macOS version with which you want to create the installer. All you need is a USB drive to connect to your Mac. You can create a bootable USB flash installer with Terminal without needing an extra tool. Use Terminal to Create Bootable USB on Mac In this post, weโ€�ll help you know how to create bootable USB Mac on your own without installing an extra app or taking an expert help. ( Note: Before you create the drive, make a backup of your data to save your important data.) The bootable USB Mac drive contains the macOS version installer of your choice in case of need.
Whether it is a for a special reason that you want a bootable USB to install your favorite Mac version or you want to keep the macOS of your choice portable as a backup, creating a bootable USB Mac is going to help you a lot.
