Your current version is 10.11.6. There is no 'in between upgrade' to get to 10.12. Unfortunately, you have not provided the full information on your MBA model. To find the complete model information select About This Mac from the Apple menu. We need this information in order to find out what the highest version of macOS is supported by your model. How to download most recent mac os. You can create a snapshot of the dialog as follows:
MacOS Sierra (version 10.12) is the thirteenth major release of macOS (previously Mac OS X from 2001 to 2012 and OS X from 2012 to 2016), Apple Inc.' S desktop and server operating system for Macintosh.It was the first version of the operating system issued under the June 2016 rebranding as macOS. Sierra is named after the Sierra Nevada mountain range in California and Nevada. Open Source Development. Documentation and resources for Bonjour, Java, UNIX, and WebKit. Open development of select macOS projects Tools and Technologies. Why you'll love to develop on your Mac Open Source in macOS. Learn about the 200+ open source projects that ship with macOS Darwin Technologies.
OS X Screen Capture Shortcuts
(⌘⬆︎3) Command-Shift-3 Capture the screen to a file
(⌘⬆︎⌃3) Command-Shift-Control-3 Capture the screen to the Clipboard
(⌘⬆︎4) Command-Shift-4 Capture a selection to a file
(⌘⬆︎⌃4) Command-Shift-Control-4 Capture a selection to the Clipboard
(⌘⬆︎5) Command-Shift-5 Invoke new screen grabber
You can then post the image in the forum's message editor.
Feb 27, 2020 1:20 PM
![]() Check compatibility
You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later MacBook Pro introduced in mid 2010 or later Mac mini introduced in mid 2010 or later iMac introduced in late 2009 or later Mac Pro introduced in mid 2010 or later
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Get connectedMac Os 10.12
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download macOS Sierra
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
Apple Mac Os X DownloadInstall the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install macOS Sierra.
Os x mac 10.5 8 download. Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
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