In essence, High Sierra took what was good with Sierra and developed it into a more comprehensive software. High Sierra emphasizes the already-existing benefits of MacOS previous system, Sierra. There are few bells and whistles, but the changes are noticeable and positive. The Apple file system is the most significant feature it brought. Music, TV, and podcasts take center stage. ITunes forever changed the way people experienced.
Most coverage of Apple’s new operating system, macOS Catalina focuses on the improvements since Mojave, its immediate predecessor. But what if you’re still running macOS High Sierra? Well, the news then is even better. You get all the improvements that Mojave users get, plus all the benefits of upgrading from High Sierra to Mojave. Let’s compare macOS Catalina with macOS High Sierra.
Clean your Mac before you upgrade
Before we get started, if you’re planning to upgrade to macOS Catalina from High Sierra, it’s likely you have lots of files on your Mac that you don’t need. We call them system junk. They consist of cache files, temporary files that were never deleted, and all sorts of other data macOS stores on your Mac and you’ll never need again. Installing a new OS over that lot is not a good idea, it’s like layering paint over paint – at some point you have to sand it down and start again. That time is now, before you upgrade. My favorite way to get rid of junk files is to use CleanMyMac X. I recommend you use it to. It’s really easy to use, quick, and can free up tens of gigabytes of space.
Once you’ve got rid of the junk, backup your Mac either with Time Machine or a tool that can make a bootable clone. It’s very rare that anything goes wrong when you upgrade, but it’s much better to be safe than sorry.
The evolution of interface
MacOS Mojave saw one of the biggest changes to the macOS interface in several years, so if you’re still using High Sierra, upgrading to Catalina will allow you to use features like Dark Mode, which changes the look of your Mac and all applications that support it so that they display light text on a dark background.
Mojave also introduced Desktop Stacks, so if you’re still running High Sierra you’ll be able to use those for the first time in Catalina too. Stacks allow you to automatically store files of the same type, like photos, PDFs, and screenshots, in a stack on the Desktop. Talking of screen shots, Mojave changed the way screen shots work. Now, instead of just saving your screen shot, it hovers as a thumbnail for a few seconds, so you can click on it to preview you and make some basic adjustments, before saving or deleting it, just like in iOS. then there’s the new features in the Finder, like the Gallery view and the new Quick Look tools that allow you to make changes to image files when you preview them in the Finder.
Compared to the leap from High Sierra to Mojave, Catalina didn’t add too much to the visual interface, but made huge improvements to the way you use your Mac with your Voice. You can now control your Mac completely using just your voice, including launching apps, selecting commands, dragging and dropping, and, of course, dictating.
Applications
Both upgrades since High Sierra have brought iOS and the Mac closer. First, there was the addition of Voice memos, Stocks, and Home apps to the Mac. Then, Apple got rid of iTunes and replaced it with TV, Music, and Podcasts, to mirror the equivalent apps in iOS. The Mac App Store has also been overhauled since High Sierra, making it easier to find the best apps, and allowing developers to offer trial versions.
There’s a new FindMy app that replaces Find My iPhone, Find My Mac, and Find My Friends, and it can find your Mac even if it’s sleeping or offline. And you’ll notice improvements in lots of Apple’s built-in apps like Reminders, which is rebuilt in Catalina, Notes, Safari, and Photos. You can now mute entire threads in Mail, just as you can in Messages, and make group calls with FaceTime.
All devices are welcome
In Mojave, Apple added the ability to use your iPhone’s camera to scan documents directly on your Mac. And it continued that theme in macOS Catalina, by allowing you to use an iPad as a second display for your Mac, and as a graphics tablet. A feature called Continuity Markup also allows you to markup PDFs on an iPad and have the changes show up on your Mac. Finally, Mojave added a feature that allowed you to unlock your Mac with an Apple Watch, and Catalina has taken that further by allowing you to authenticate certain actions on your Mac by clicking the button on an Apple Watch. Apple’s iOS devices now work much more closely with the Mac than they did in High Sierra.
iCloud
Apple has added a lot to iCloud since High Sierra, turning it into a serious alternative to Dropbox or Google Drive. You can now sync your Desktop and Documents folders in iCloud, meaning they will be the same no matter which Mac you log into your iCloud account from. And you can now share entire folders with other people, rather than just individual files.
More gatekeepers and security checks
There have been some big improvements in this area since High Sierra. In macOS Mojave, Safari made it much more difficult for websites to follow you around the web by preventing so-called ‘fingerprinting’. In macOS Catalina, apps will have to ask permission to access your Desktop or Documents folders, as well as iCloud Drive and external disks. And they’ll also have to get your permission before capturing keyboard strokes or taking a photo or video of your screen. And macOS Catalina introduces Activation Lock, which means only you can erase or re-activate your Mac.
What if I don’t feel like upgrading?
Many people live happily using older operating systems because old is gold, right? But if your Mac is underperforming and you think that the mere switch to macOS Catalina will solve everything, you’d likely be disappointed. But the more realistic way to improve the performance of your macOS is freeing up its memory and removing old apps. Really. We’ve seen many good-maintained Macs running the ancient El Capitan that actually performed and copied files faster than latest machines.
So, here’s the cheat-sheet to improve the performance of your Mac
— Free up space on startup drive
— Switch to some lightweight browser, other than Chrome, for example, Brave
— Minimize Login Items via Preferences
— Use third-party macOS speed up tools
For example, there’s a special instrument that comes with CleanMyMac X that identifies heavy memory consumers on your Mac. The tool is called Heavy Consumers and you can use it to make your Mac more responsive. Many Apple forums recommend it for slow-performing Macs.
Download the free version of the app and check if it helps your Mac
When you compare macOS Catalina with macOS High Sierra, the differences are huge so if you haven’t upgraded already, it’s well worth it. However, you should definitely take steps to clear the junk from your Mac before you install the new macOS. CleanMyMac X can do that for you, quickly and easily. Let it decide what to remove, or take control and make the decisions yourself, you can use it however you choose.
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Enjoy your favorite iPad apps now on your Mac. Extend your workspace and expand your creativity with iPad and Apple Pencil. And discover smart new features in the apps you use every day. Now you can take everything you do above and beyond.
Music, TV, and podcasts take center stage.
iTunes forever changed the way people experienced music, movies, TV shows, and podcasts. It all changes again with three all-new, dedicated apps — Apple Music, Apple TV, and Apple Podcasts — each designed from the ground up to be the best way to enjoy entertainment on your Mac. And rest assured; everything you had in your iTunes library is still accessible in each app. iCloud seamlessly syncs everything across your devices — or you can back up, restore, and sync by connecting the device directly to your Mac.
Presenting Apple Music on Mac.
The new Apple Music app is the ultimate music streaming experience on Mac.1 Explore a library of 50 million songs, discover new artists and tracks, find the perfect playlist, download and listen offline, or enjoy all the music you’ve collected over the years. And find it all in your music library on all your devices.
Apple TV. Premiering on Mac.
The Apple TV app for Mac is the new home for all your favorite movies, shows, premium channels, and — coming soon — Apple TV+. Watch everything directly in the app or enjoy it offline, and discover the best of what’s on in the Watch Now tab. You can even pick up where you left off on any screen, across all your devices. And for the first time, 4K2 and Dolby Atmos3–supported movies are available on Mac.
Listen up. Podcasts on Mac.
More than 700,000 of the best entertainment, comedy, news, and sports shows are now available on your Mac with Apple Podcasts. Search for podcasts by title, topic, guest, host, content, and more. Subscribe and be notified as soon as new episodes become available. And in the Listen Now tab, you can easily pick up where you left off across all your devices.
The apps you love. Right on your Mac.
Experience your favorite iPad apps now on your Mac. With Mac Catalyst, developers can easily create Mac apps from the iPad apps you already know and love. They run natively alongside your existing Mac apps so you can drag and drop content between them. They take full advantage of the larger screen and powerful architecture of your Mac. And because they are built from their iOS versions, they provide a seamless experience across your devices. Enjoy a broad range of Mac apps — from travel, entertainment, and gaming to banking, education, and project management.
The Twitter for Mac app takes full advantage of the native Mac features like multiple windows, drag and drop, keyboard shortcuts, and more. See more of what’s happening on a larger screen and easily work alongside your other Mac apps.
The apps you use every day, made extraordinary.
With macOS Catalina, the apps you love are now more beautiful and intelligent than ever. So your everyday tasks are easier than ever.
Photos. Focus on your best shots.
Photos has a new immersive, dynamic look that showcases your photos and memories. See only the best shots in your library, without the duplicates and clutter. Browse your favorite photos by days, months, and years and get larger previews of all your photos. And Photos is even smarter, so it can highlight important moments like birthdays, anniversaries, and trips.
Notes. Easier to find. And easier to share.
A new gallery view and more powerful search help you find your notes quicker than ever. Shared folders let you collaborate on entire folders of notes with another person or a group. And new checklist options let you move completed items to the bottom, quickly reorder items using drag and drop, and more.
Organization. Reorganized.
The Reminders app has been completely rebuilt, with an all-new design and new ways to easily create, organize, and keep track of reminders. Add attachments to reminders, create or change reminders with the quick edit buttons, and let Siri suggest new ones found in Messages. Smart lists automatically organize and display your upcoming reminders. And if you tag someone in a reminder, you’ll be notified the next time you’re chatting in Messages.
Download Key:
What is the difference between the combo update and the regular update?
The regular update just includes the the files needed to update from the immediate previous version - for example from 10.5.2 to 10.5.3.
The combo update includes all the files neccesary to update from the last major version. You would want to download the combo update if your going from 10.5.0 to 10.5.3.
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The supplemental update focuses on security issues.
What's New:
macOS Catalina 10.15.6 introduces local news in your Today feed in Apple News and improves the security and reliability of your Mac.
Apple News
This update also includes bug fixes and other improvements.
What's New in macOS 10.5.5:
macOS Catalina 10.15.5 introduces battery health management in the Energy Saver settings for notebooks, an option to control automatic prominence of video tiles on Group FaceTime calls, and controls to fine-tune the built-in calibration of your Pro Display XDR. The update also improves the stability, reliability, and security of your Mac.
Battery Health Management
FaceTime Prominence Preference
Calibration Fine-Tuning for Pro Display XDR
This update also includes bug fixes and other improvements.
macOS Catalina 10.15.4 introduces iCloud Drive folder sharing, Screen Time communications limits, Apple Music time-synced lyrics view, and more. The update also improves the stability, reliability, and security of your Mac.
Finder
Screen Time
Safari
App Store with Apple Arcade
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This update also includes bug fixes and other improvements.
What's New in Catalina 10.15.3:
The macOS Catalina 10.15.3 update improves the stability, reliability and security of your Mac, and is recommended for all users.
This update:
What's New in Catalina 10.15.2:
The macOS Catalina 10.15.2 update improves the stability, reliability and performance of your Mac and is recommended for all users.
This update adds the following features:
Apple News
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This update also includes the following bug fixes and improvements:
Music
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