Sierra USB download

Sierra USB creates bootable USBs with macOS Sierra, formatting them for Mac OS Journaled and copying necessary files.

Download the latest version from the developer's website

Version: 1.1

Size: 7.2 MB

Latest versions of Sierra USB

1.1 (latest)

Oct 28, 2016

Sierra-USB.dmg

Free

Create a bootable USB key from OS X 10.9 to macOS Catalina 10.15.

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Install macOS Sierra on unsupported computers.

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