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.
Check compatibility
The macOS High Sierra 10.13.6 Update adds AirPlay 2 multiroom audio support for iTunes and improves the stability and security of your Mac. This update is recommended for all users. How to install mac os sierra in any windows pc How to install Original Mac Os IN hindi How to install Original Mac Os IN hindi,how to install mac os sierra i. MacOS Sierra 10.12.1 dmg for mac free. download full version. MacOS Sierra 10.12.1(16B25) offline installer complete setup for mac OS direct link. You can now download macOS Sierra final directly from the Mac App Store on your compatible Mac computer. Download macOS Sierra Final from the Mac App Store Today Staying true to its promise, Apple.
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 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.
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
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.
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![]() Macos High Sierra Original 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 moreApple Mac Os Sierra Download
I have been banging my head against the wall about this for a while.
I purchased a second-hand 2008 iMac and it has been working fine for the last 2 years. When I went to update OSX to Sierra, it asked me for the original owner's Apple ID and password. The previous owner clearly did not follow the correct instructions to hand off the computer. I went through the steps to reinstall macOS here:
I did all the possible permutations of these steps, including formatting my hard drive. Every time when I tried to reinstall macOS, I was given the error 'this item is temporarily unavailable'. Browsing the Apple Support forums, it looks like this is because I do not have the original Apple ID. I do not have this information and it will be impossible to get it.
I then tried this workaround and I was not able to access the iCloud page within Safari
Mac Os Sierra Review
This seems like there should be a simple solution.
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HOW DO I REINSTALL OSX WITHOUT ACCESS TO THE ORIGINAL APPLE ID AND PASSWORD?
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