macOS - How to Upgrade - Apple
If your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to
macOS Big Sur. You'll need the following: OS X 10.9 or later; 4GB of memory;
35.5 ...
Apple Software Updates In Order : Useful Links
If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include ...
List of macOS version names · Mac OS X & macOS names · What's the latest macOS? · How to tell which macOS you are running · How to update to ...
Note that after a software update is installed for iOS, iPadOS, tvOS, and watchOS, it cannot be downgraded to the previous version. Apple security updates. Name ...
Notes[edit] · Apple OS History · http://www.macnn.com/articles/08/01/15/apple.tv. take.2/ · http://www.macnn.com/articles/08/02/12/apple.tv.take.2.update/.
As of iOS 4, Apple no longer charges money for iPod Touch updates.
with a large gray apple logo with the startup sequence of OS X 10.2 Jaguar.
The Happy Mac which had appeared during the Mac OS startup sequence for almost 18
Updates, 12 p.m.: Adds background on previous MacOS; 12:44 p.m.: Includes more details; June 8: Adds more details. See also. Apple iOS 13: ...
Apple's 2015 update, OS X 10.11 El Capitan, was announced to focus specifically on stability and performance improvements.