Once the restore process is complete, you can use Time Machine backup to restore individual files as necessary. In this case, it would be the final version of macOS Catalina. On the list, pick the last backup made in a previous version of macOS. Next, choose your ‘Restore Source,’ which will be the name of your external device. You’ll need to click ‘Continue’ one more time. Next, choose the option, ‘Restore From Time Machine Backup’ and click ‘Continue’. As soon as the screen goes dark, hold down the ‘Command’ + ‘R’ keys until the Apple logo appears.
To downgrade macOS via Time Machine, plug your Time Machine backup drive into your Mac, then restart the computer. And yet, Apple silicone doesn’t support macOS versions older than Big Sur, so the difference is irrelevant here.
This process involves using the ‘Command’ + ‘R’ command, which works differently on Intel-based machines than those with Apple silicone. To use Time Machine and take your Mac back to another macOS version, use the following steps. In this case, you'd start from scratch with a new copy of macOS. Using an external USB or another type of drive to downgrade is the best choice when you don't have backup files. But again, you need a copy of your files taken before you updated to macOS Big Sur for this to work.
Third-party solutions such as Carbon Copy Cloner work much in the same way. Otherwise, a downgrade using Time Machine is not an option. Taking the Time Machine route is the easiest, although this assumes you have a Time Machine backup of your system that pre-dates your installation of macOS Big Sur.
You can restore through Time Machine or install macOS from a USB. There are two ways to downgrade your Mac to a previous version. This copy probably won't be used, but it's good to have in case something goes wrong during downgrading. Before moving forward, make one final backup copy. Ideally, you should already be backing up your computer regularly either through Time Machine or another solution. If you've decided to downgrade, be sure to back up your Mac's files.
In this article we will run though the long history of Mac OS X, or macOS as it is now known.Therefore, you should take a deep breath and pause before taking these steps. We've seen tight integration with iOS devices, the incorporation of the cloud, and the arrival of excellent and helpful features including integrated Time Machine back ups, Quick Look – which lets you see a preview of a document without opening the application, and innovations like Expose and Spaces and Desktop Stacks to help you work efficiently.
From the problems with the first edition (it was slow and didn't run important apps like Microsoft Word) Mac OS X has evolved through various iterations and various designs to what we know today.
There's been a lot of change over those two decades: good and bad. Mac OS X first launched more than 20 years ago on 24 March 2001. And if you are looking for help installing Monterey read: How to update macOS: Update to Monterey and Fixes for Macs that won't update macOS. The final version will then be available to download in the fall (usually in the September or October time frame). At the keynote that kicks off the WWDC conference Apple will reveal details of macOS 13 – including its name. Apple will be unveiling its plans for the next version of macOS at its Worldwide Developers Conference (WWDC) in June 2022. However, Monterey won't be the newest version of macOS for long. For more information read: Everything you need to know about macOS Monterey. Monterey arrived on Monday 25 October 2021. If you are wondering what the latest version of macOS is it's Monterey! Also known as macOS 12. We'll also show you how you can check which version of macOS you are running and find out what the latest version of macOS is. Wondering what the name of the latest macOS version is? Curious about the versions of Mac OS X that came before? Here we'll fill you in on the names of the different versions of the Mac operating system in order: from the newest macOS to the first version of Mac OS X and the codenames that Apple used for them.