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16 Σεπ 2024 · You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful if you want to install macOS on multiple computers without downloading the installer each time, or if you can't install a compatible macOS from the Finder or macOS Recovery. Download a full macOS installer from Apple.
16 Σεπ 2024 · Download and install current or previous versions of the Mac operating system on compatible Mac computers.
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.
22 Οκτ 2024 · Step 1: Get macOS installer files. Step 2: Create a bootable installer for macOS. Step 3: Use the USB installer to update your Mac. createinstallmedia commands.
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.
10 Οκτ 2019 · This article guides you through the process of performing a clean installation of macOS 10.15 Catalina using the bootable USB drive method, rather than upgrading your Mac using Apple's...