Install macOS 10.12 Sierra


This macOS 10.12 Sierra installer disk installs Sierra on any capable Mac.

The installer has full international language support.

Check the description below to see if Sierra will run on your Mac. macOS Sierra does not run on every Mac that the previous system supported.

The disk includes any system software updates required to update the system to the latest incremental version (10.12.6) and any subsequent security updates.

macOS 10.12 sierra usb installer disk inserted into laptopThis disk is recommended if your Mac is still running 10.11 El Capitan but will not run 10.14 Mojave. Check your Mac can run Sierra first. If your Mac can run 10.12 but can’t run 10.14, consider the newer 10.13 High Sierra installer disk.

If your supported Mac is running 10.11 El Capitan, this disk can upgrade your system, keeping your data and compatible applications. Or it can be used to wipe your hard disk and install a fresh system from scratch. You can choose to install on your Mac’s internal disk, or you can install a system on an external hard drive in order to have a portable system or back-up in case your main one fails.

macOS Sierra runs on:

iMac: Late 2009 or newer
MacBook and MacBook 12-inch: Late 2009 or newer
MacBook Pro: Mid 2010 or newer
MacBook Air: Late 2010 or newer
Mac Mini: Mid 2010 or newer
Mac Pro: Mid 2010 or newer

To check your mac, go to the Apple menu > About this Mac > Overview

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Additional information

Weight 5.0 g
Dimensions 2.0 × 0.5 × 0.25 cm