Sep 11, 2011. Daily Stories. From exclusive world premieres to behind‑the‑scenes interviews, original.
You can upgrade to macOS High Sierra from OS X Mountain Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 14.3GB 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 High 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.
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 High 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 High Sierra, use this App Store link: Get macOS High Sierra.
After downloading, the installer opens automatically.
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.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
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.
- If you have hardware or software that isn't compatible with High Sierra, you might be able to install an earlier macOS, such as Sierra or El Capitan.
- macOS High Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.
What is QuickTime Pro?
Apple Software Download For Laptop
QuickTime is software that allows you to play back audio and video on your computer. QuickTime Pro is a software key, similar to a serial number, consisting of numbers and letters to unlock extra features on your free QuickTime Player.
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The free QuickTime Player can be downloaded here.
You can order your QuickTime Pro Key here.
Learn moreabout QuickTime Pro.
Apple Store software, free download
How do I receive my QuickTime Pro key?
Once you have placed your order, you will be sent an order acknowledgement containing your QuickTime Pro key. You can also log into your online accountusing your Apple ID and click on the 'software downloads' link. You will then be presented with your QuickTime Pro key.
How do I install my QuickTime Pro key?
For detailed instructions, please visit the following link: http://www.apple.com/quicktime/pro/keyinstall.html
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I need help installing my QuickTime Pro key.
First of all, make sure your computer and operating system fulfil the minimum system requirements for QuickTime. Detailed information is available here. When entering your software key, make sure you do not add any extra spaces or characters. Windows vpn free. The key is case sensitive.
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If you are still having trouble, please contact Technical Support.
I want to cancel my QuickTime Pro order and get a refund.
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QuickTime Pro keys are considered electronic software downloads and cannot be refunded. Please refer to section 19 of our terms and conditions(link to ESD section of terms and conditions) for further details.