USB flash drive (16GB or larger) – this will be formatted to become the bootable install drive for macOS Catalina beta.

You will need the following to be able to create a bootable installer drive for macOS Catalina beta: Requirements to Make a macOS Catalina 10.15 Beta USB Installer Drive This tutorial will demonstrate how to create a bootable USB install drive for MacOS Catalina 10.15 beta. Of course the boot installer can also be used to upgrade an existing installation to MacOS Catalina beta as well. After logging in, you'll be prompted to unlock the volume, and then you can open Migration Assistant (Applications > Utilities > Migration Assistant.app) and proceed with the migration.Using a boot installer drive allows for easy formatting and partitioning of disks too, making it simple to perform a clean installation of macOS Catalina 10.15 beta onto a target Mac. If you would like to migrate data from an encrypted volume, proceed with creating a new user account instead. not mounted), and won't helpfully offer any UI for unlocking and mounting those volumes. † Big Sur (and older OSes): Migration Assistant won't list volumes that are encrypted and locked (i.e.

When prompted to select a source for the migration, select your CCC backup volume† and proceed as directed by Migration Assistant.

When macOS boots for the first time on your new disk, you will be prompted to migrate data - accept the migration offer.

Select the Reinstall macOS option and proceed to install macOS onto your new disk.

Use Disk Utility to erase your Mac's (new) internal disk as APFS (see this Kbase article for additional guidance).

Boot your Mac while holding down Command+R (Intel Macs) or the Power button (Apple Silicon Macs) to boot into Recovery Mode(link is external).

Follow these steps to reinstall macOS and restore your data:

You can use Migration Assistant to migrate data from a CCC backup on locally-attached storage to a clean installation of macOS. Recovering your Mac from a CCC backup(link is external) Using Migration Assistant to restore your startup disk from a CCC backup

Clone mac hard drive to ssd catalina