Today Apple releases its latest operating system, macOS Sierra (10.12). Soon all Macs purchased from Apple will come with macOS Sierra preinstalled; previous versions of OS X cannot be installed. If you're considering an upgrade to the latest OS release, be sure to review the information below.
Before you upgrade to macOS Sierra
- Before performing any upgrade, always back up your computer using CrashPlan or the backup system provided by your local IT support provider (e.g., local Time Machine backup).
- Go to the macOS Sierra Known Issues page on the IS&T Software Grid to check for software compatibility. Staff should consult with their department’s IT support provider to determine when to upgrade.
- MIT-owned machines should be upgraded by downloading macOS Sierra from the Apple App Store or via Casper for managed Macs.
- Personally-owned machines can be upgraded via the Apple App Store.
- Documentation on how to upgrade to macOS Sierra via the Apple App Store
- Documentation on how to upgrade to macOS Sierra via Casper for managed Macs
- Any Mac capable of running OS X 10.7.5 or later
- 2GB of memory
- 8.8GB of available storage
- More info from Apple, including models: http://www.apple.com/macos/how-to-upgrade/#hardware-requirements