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.
The Apple Certified Support Professional (ACSP) certification is for the help desk professional, technical coordinator, or power user who manages networks or provides technical support for Mac users. ACSP certification verifies that you understand macOS core functionality and that you can configure key services, perform basic troubleshooting.
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
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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
Apple Store Shopping Dark Sky Weather Weather Apple Research Health & Fitness Apple TV See All. TestFlight Developer Tools iTunes Movie Trailers Entertainment Apple Developer Developer Tools iBooks StoryTime Books Mac See All. IMovie Photo & Video Pages Productivity Keynote Productivity Numbers Productivity GarageBand. Yes, Apple Store provides U.S. Veterans and military members as well as their immediate family members who reside in the same household with the Apple military discount. Most often, the Apple Store military discount offers 10% off most items. To use the military discount, visit the Apple military discount website to order your item of choice. Mac App Store is the simplest way to find and download apps for your Mac. To download apps from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Nearly perfect I have a specific usage case - I work in a multiplatform environment in which I work on the Mac and on the PC. I don't want to keep changing physical keyboards, so despite the fact that the two physical machines are next to eachother beneath my desk, I use remote desktop to view and operate the PC while working on the Mac.
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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 connected
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.
Apple Store To Download
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
Apple Store Osu
Install 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.
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
If you have hardware or software that isn't compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan.
macOS Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.