Mac OS, operating system (OS) developed by the American computer company Apple Inc. The OS was introduced in 1984 to run the company’s Macintosh line of personal computers (PCs). The Macintosh heralded the era of graphical user interface (GUI) systems, and it inspired Microsoft Corporation to develop its own GUI, the Windows OS.

1. How To Upgrade From OS X 10.7.5 To 10.8 O…
2. Here's The Info -Mac Mini (Mid 2010)Processor 2.4 GHz Intel Core 2 DuoMemory 8 GB 1067 MHz DDR3Graphics NVIDIA GeForce 320M 256 MBHope This Helps!...
3. MacOS - Wikipedia
4. Find Out Which MacOS Your Mac Is Using - Apple Support

Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by a product that 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.

How To Upgrade From OS X 10.7.5 To 10.8 O…

If your macOS isn't up to date, you may be able to update to a later version.

Explore the world of Mac. Check out MacBook Pro, MacBook Air, iMac, Mac mini, and more. Visit the Apple site to learn, buy, and get support. Launched in October 2019, macOS Catalina is Apple's latest operating system for the Mac lineup. Features include cross-platform app support for third-party apps, no more iTunes, iPad as a second. And till now Mac OS is improving with every new release. Myths Related to Mac Os 1. Mac OS is more secure than Windows. Many of you might have heard that Mac Os is more secure than windows. But that’s not true. The market share of Mac is less than 10% which results in less malware and spyware attacks. The Macintosh Plus computer is the third model in the Macintosh line, introduced on January 16, 1986, two years after the original Macintosh and a little more than a year after the Macintosh 512K, with a price tag of US$2599. As an evolutionary improvement over the 512K, it shipped with 1 MB of RAM standard, expandable to 4 MB, and an external SCSI peripheral bus, among smaller improvements.

Which macOS version is installed?

Here's The Info -Mac Mini (Mid 2010)Processor 2.4 GHz Intel Core 2 DuoMemory 8 GB 1067 MHz DDR3Graphics NVIDIA GeForce 320M 256 MBHope This Helps!...

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.

Which macOS version is the latest?

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 is updated to show the latest version of that macOS.

MacOS - Wikipedia

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.

Find Out Which MacOS Your Mac Is Using - Apple Support