These OS versions can upgrade to Sierra: Disk space: 8 GB of free space on drive.
In the same About this Mac menu select "Storage" tab.
If you'd like to find out a bit more about mac OS Sierra first, read: mac OS Sierra current version details mac OS Sierra vs Mac OS X El Capitan Before you perform any big update to your Mac you should back up your Mac and do some other housekeeping tasks.
We strongly recommend you follow our tips for getting your Mac ready before you install mac OS Sierra, you can read them below.
Then, there’s Watch unlocking for Mac, there’s one-click Apple Pay, tabs in apps, and cross-device copypasting. So, if you were on the fence about upgrading to Sierra, our advice is yes, do upgrade. If you’re running an OS version like Lion (OS X 10.7), you’re looking into a lot of upgrading before getting Sierra.
The Mac App Store shows updates for Mac, not updates for i Phone, i Pad, or i Pod touch.
Tech observers were seriously taken aback when Apple took several days to address a security flaw in OS X 10.9 Mavericks after quickly fixing the same bug in i OS.
The vulnerability comes from an improper implementation of SSL and TLS—the standard encryption systems used for secure Internet connections.
The new OS X 10.12, or rather mac OS upgrade is at the door and it’s full of amazing features you’ll probably want on your Mac right away.
Let’s take a quick look at what’s going to be the best among the news in mac OS Sierra. This is great news for everyone who’s already used to her help on i OS.