The 'classic' Mac OS is the original Macintosh operating system that was introduced in 1984 alongside the first Macintosh and remained in primary use on Macs until the introduction of Mac OS X in 2001. Apple released the original Macintosh on January 24, 1984; its early system software was partially based on the Lisa OS and the Xerox PARC Alto computer, which former Apple CEO Steve Jobs. Make Offer - Apple iBook Clamshell G3 1st Series 1999 'Collector' SSD + Dual OS ⭐️⭐️⭐️⭐️⭐ Apple MacBook Pro 15.4' (256GB SSD, Intel Core i7 3rd Gen, 2.30GHz, 8. Shop the latest Mac OS X Laptops at HSN.com. Read customer reviews on Mac OS X and other Laptops at HSN.com. We use JavaScript to create the most functional website possible for our customers. JavaScript enables you to fully navigate and make a purchase on our site. If disabled the content or the functionality of the website can be limited.

1. Mac Os Download
2. Laptops For Mac Os High Sierra

Mac Os Download

Is your Mac up to date with the latest version of the Mac operating system (macOS or OS X)? Is it using the version required by some other 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.

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

Which macOS version is installed?

From the Apple menu  in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Mojave, followed by its version number. If you need to know the build number as well, click the version number to see it.

This example shows macOS Catalina version 10.15 build 19A583.

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 Catalina. As updates that change the macOS version number become available, this article is 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.

Laptops For Mac Os High Sierra