Learn more about how to upgrade to mac OS Sierra If you’re running Snow Leopard (10.6.8) and your Mac supports mac OS Sierra, you will need to upgrade to El Capitan first. If you’re running Leopard and would like to upgrade to mac OS Sierra, first you’ll need to upgrade to OS X Snow Leopard.
You can purchase OS X Snow Leopard from the Apple Online Store.
Handoff requires an i Phone, i Pad, or i Pod touch with a Lightning connector and i OS 8 or later.
Instant Hotspot requires an i Phone or i Pad with cellular connectivity with a Lightning connector and i OS 8.1 or later.
Requires Personal Hotspot service through your carrier.
Upgrading ensures that you have the latest security features and performance enhancements. Before you upgrade, we recommend that you back up your Mac.You should also have your Apple ID and password handy.There are so many reasons to upgrade to mac OS Sierra now.You get access to new features that make your Mac even more useful and fun.Requires an Apple Watch with watch OS 3 and an i Phone 5 or later.
Requires a broadband Internet connection and microphone (built-in or external).