The table below is a quick reference for compatibility of Norton products with Mac OS X. A Yes in the table indicates that the Norton product is compatible with the Mac OS X, and a No indicates that it is not compatible.
Norton product | macOS 10.15.x (Catalina) | macOS 10.14.x (Mojave) | macOS 10.13.x (High Sierra) | macOS 10.12.x ( Sierra) | Mac OS X 10.11.x (El Capitan) | Mac OS X 10.10.x (Yosemite) | Mac OS X 10.9.x (Mavericks) | Mac OS X 10.8.x (Mountain Lion) | Mac OS X 10.7.x (Lion) |
|---|---|---|---|---|---|---|---|---|---|
Norton Security | Yes (Norton Security 8.5 or later) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes (Mac OS X 10.7.5 or later) |
Norton AntiVirus Plus | Yes (Norton AntiVirus Plus 8.5 or later) | Yes (Norton AntiVirus Plus 8.x or later) | Yes (Norton AntiVirus Plus 8.x or later) | Yes (Norton AntiVirus Plus 8.x or later) | Yes (Norton AntiVirus Plus 8.x or later) | Yes (Norton AntiVirus Plus 8.x or later) | No | No | No |
Norton AntiVirus | Yes (Norton AntiVirus 8.5 or later) | Yes (Norton AntiVirus 8.x or later) | Yes (Norton AntiVirus 8.x or later) | Yes (Norton AntiVirus 8.x or later) | Yes (Norton AntiVirus 8.x or later) | Yes (Norton AntiVirus 8.x or later) | Yes | Yes | Yes (Mac OS X 10.7.5 or later) |
Norton Internet Security | Yes (Norton Internet Security 8.5 or later) | Yes (Norton Internet Security 8.x or later) | Yes (Norton Internet Security 8.x or later) | Yes (Norton Internet Security 8.x or later) | Yes (Norton Internet Security 8.x or later) | Yes (Norton Internet Security 8.x or later) | Yes | Yes | Yes (Mac OS X 10.7.5 or later) |
Norton 360 | Yes (Norton 360 8.5 or later) | Yes (Norton 360 8.x or later) | Yes (Norton 360 8.x or later) | Yes (Norton 360 8.x or later) | Yes (Norton 360 8.x or later) | Yes (Norton 360 8.x or later) | No | No | No |
Norton Secure VPN | Yes | Yes | Yes | Yes | Yes | No* | No | No | No |
*Norton Secure VPN installed as part of Norton 360 is compatible with Mac OS X 10.10.x or later.
Norton Internet Security 4 for Mac and Norton AntiVirus 11 for Mac have been discontinued by NortonLifeLock and are no longer available for renewal. To know more about this announcement, read End-of-Life announcement for Norton AntiVirus 11 and Norton Internet Security 4 for Mac.
Check compatibility
You can upgrade to OS Yosemite on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8GB of available storage space.
Mac yosemite free download - Apple Mac OS X Yosemite, Yosemite ScreenSaver, Apple Mac OS X Yosemite Update, and many more programs.
MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008)
MacBook Air introduced in late 2008 or later
MacBook Pro introduced in mid 2007 or later
Mac mini introduced in early 2009 or later
iMac introduced in mid 2007 or later
Mac Pro introduced in early 2008 or later
Xserve models introduced in early 2009
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 OS X Yosemite, the installer will let you know.
Make a backup
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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 OS X, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download OS X Yosemite
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For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of macOS.
If you still need OS X Yosemite, use this link: Download OS X Yosemite. A file named InstallMacOSX.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 InstallMacOSX.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 OS X Yosemite.
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 OS X and related updates to your Mac firmware.
Learn more
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- OS X Yosemite 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.