Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by a product you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.
If your macOS isn't up to date, you may be able to update to a later version.
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Which macOS version is installed?
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From the Apple menu in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.
What is the latest macOS version?
These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Big Sur. As updates that change the macOS version number become available, this article will be updated to show the latest version of that macOS.
If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar and Photos.
macOS | Latest version |
---|---|
macOS Big Sur | 11.2.3 |
macOS Catalina | 10.15.7 |
macOS Mojave | 10.14.6 |
macOS High Sierra | 10.13.6 |
macOS Sierra | 10.12.6 |
OS X El Capitan | 10.11.6 |
OS X Yosemite | 10.10.5 |
OS X Mavericks | 10.9.5 |
OS X Mountain Lion | 10.8.5 |
OS X Lion | 10.7.5 |
Mac OS X Snow Leopard | 10.6.8 |
Mac OS X Leopard | 10.5.8 |
Mac OS X Tiger | 10.4.11 |
Mac OS X Panther | 10.3.9 |
Mac OS X Jaguar | 10.2.8 |
Mac OS X Puma | 10.1.5 |
Mac OS X Cheetah | 10.0.4 |
My iMac was rock stable, right up until I installed Mountain Lion on it. Analyst hero mac os. Then, at random times, it would suddenly reboot. Fortunately, most of it seemed to happen at night – I'd get up in the morning and find my Mac had rebooted.
Weird.
So, I finally got around to investigating the problem – I had't seen any good blog posts on it (most of them were things like take it to a Mac Genius). Finally, I found a hint buried in an Apple forum: the problem stems from Spotlight. The indexes for Spotlight get corrupted, and that causes the reboot. Ah-ha! So the solution is pretty simple – have Spotlight dump all it's current stuff, and build up again from new. Of course, there's not an obviously marked way to do this 🙂
![For The Night Mac OS For The Night Mac OS](https://cdn-0.idownloadblog.com/wp-content/uploads/2017/04/macOS-Sierra-System-Preferences-Night-Shift-Mac-screenshot-001.png)
Which macOS version is installed?
The Raspberry Pi is a tiny and affordable computer that you can use to learn programming through fun, practical projects. Join the global Raspberry Pi community. Download Starry Night for Mac to watch a city skyline under a night sky as your screensaver. Operating Systems Mac OS X 10.11, Mac OS X 10.9, Mac OS X 10.6, Mac OS X 10.10, Mac OS X 10.5. Night in the Woods - Mac 1 GB. Night in the Woods - Linux 1 GB. Night in the Woods - Win32 1 GB.
From the Apple menu in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.
What is the latest macOS version?
These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Big Sur. As updates that change the macOS version number become available, this article will be updated to show the latest version of that macOS.
If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar and Photos.
macOS | Latest version |
---|---|
macOS Big Sur | 11.2.3 |
macOS Catalina | 10.15.7 |
macOS Mojave | 10.14.6 |
macOS High Sierra | 10.13.6 |
macOS Sierra | 10.12.6 |
OS X El Capitan | 10.11.6 |
OS X Yosemite | 10.10.5 |
OS X Mavericks | 10.9.5 |
OS X Mountain Lion | 10.8.5 |
OS X Lion | 10.7.5 |
Mac OS X Snow Leopard | 10.6.8 |
Mac OS X Leopard | 10.5.8 |
Mac OS X Tiger | 10.4.11 |
Mac OS X Panther | 10.3.9 |
Mac OS X Jaguar | 10.2.8 |
Mac OS X Puma | 10.1.5 |
Mac OS X Cheetah | 10.0.4 |
My iMac was rock stable, right up until I installed Mountain Lion on it. Analyst hero mac os. Then, at random times, it would suddenly reboot. Fortunately, most of it seemed to happen at night – I'd get up in the morning and find my Mac had rebooted.
Weird.
So, I finally got around to investigating the problem – I had't seen any good blog posts on it (most of them were things like take it to a Mac Genius). Finally, I found a hint buried in an Apple forum: the problem stems from Spotlight. The indexes for Spotlight get corrupted, and that causes the reboot. Ah-ha! So the solution is pretty simple – have Spotlight dump all it's current stuff, and build up again from new. Of course, there's not an obviously marked way to do this 🙂
For The Night Mac Os 11
Go into System Preference, and select Spotlight. Click on the Privacy tab. There probably isn't anything listed under 'Prevent Spotlight from searching these locations:' We're going to add one. Hit the '+' at the bottom, and select your Mac's hard drive, and click Choose. It's now in the list.
Close System Preferences, and reboot your Mac once. Then, go back into System Preferences -> Spotlight -> Privacy, and remove the drive you added. Just click on the drive in the list, then click '-' at the bottom of the list.
For The Night Mac Os Download
After that, everything had been going great! 🙂 No more random reboots for me 🙂
One additional bit: Having Mountain Lion randomly reboot is a lot less painful than when versions older than Lion would reboot. Most of the apps I use are state aware, so for the most part when the iMac comes back up restores all my workspaces to what it was before 🙂