Enter your admin password. Your Mac will restart several times.
Performance depends entirely on your drive and cable choice.
The installer will open automatically once downloaded. 4. Install macOS on the External Drive Run the Install macOS app you just downloaded. Click Continue and agree to the terms. When asked to select a disk, click Show All Disks . Select your External Drive (labeled "macOS External"). Click Install . install macos on external drive
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By following these steps, you can successfully install macOS on an external drive and enjoy a fresh start or a portable operating system that you can take with you wherever you go. Enter your admin password
Not all external drives are created equal. You'll want to choose a drive that's compatible with your Mac and has enough space to hold the operating system and any files you plan on storing. Some things to consider:
Under "External Boot," select . 6. How to Switch Between Drives The installer will open automatically once downloaded
This process erases everything on the external drive. Back up your data first. Connect your drive to your Mac.