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16 Σεπ 2024 · You can use a USB flash drive or other secondary volume as a startup disk from which to install the Mac operating system. These advanced steps are primarily for system administrators and other experienced users who are familiar with entering commands in Terminal.
9 Οκτ 2019 · If you have more than one Mac you want to upgrade to macOS 10.15 Catalina but don't want to waste so much bandwidth downloading it for each machine, one option is to create a bootable installer...
15 Ιουλ 2020 · Bootable USB installers offer an easy way to upgrade multiple Macs to macOS Catalina, to perform clean installs of MacOS Catalina, to perform maintenance from a boot disk like formatting disks, modifying disk partitions, and performing restorations, and much more.
16 Σεπ 2024 · Download and install current or previous versions of the Mac operating system on compatible Mac computers. To maintain your computer's security, stability, and compatibility, Apple recommends using the latest macOS that is compatible with your Mac. macOS updates and upgrades also include the latest features and built-in apps such as Safari.
5 Νοε 2019 · Make sure to create a macOS Catalina USB installer before you update your MacBook and start exploring Catalina features. While you don’t need a bootable installer to install macOS Catalina, it’s a good option for people with a limited or sporadic internet connection, multiple Macs, or who want a backup installer for emergencies.
7 Οκτ 2019 · If you want to use this USB installer with newer Macs as they are released, you'll want to periodically re-download new Catalina installers and make new install drives.
26 Ιουλ 2019 · All you need to do is download and install it, and then, when you run it, point it to the macOS Catalina installer you just downloaded. There are full instructions on the download page. How to create a bootable installer using Terminal. Plug the USB stick, hard drive, or SSD into your Mac.
