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Make your Mac invincible

September 2019 is a big month for your Mac. As Mojave is reaching its well-deserved retirement, the new macOS 10.15 is ready to enter the game. It’s called Catalina and it arrives with tons of small and major enhancements catered for your computer. Announced at the 2019 WWDC event, all of them have been available since June 2019 in the beta version.

As powerful as it is, macOS 10.15 kills 32-bit app support and breaks iTunes into separate apps. So you have every right to hate it. Just as you have every right to love the new features in Catalina. To make it reasonable, we’ve compared the functionality of Catalina versus Mojave.

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To switch or not to switch, that’s the question. Let’s solve it with facts.

Catalina VS Mojave Compatibility

There’s no big difference, really. So if your device runs on Mojave, it will run on Catalina as well. That being said, there’s one exception you should be aware of: macOS 10.14 had a support for some of the older MacPro models with Metal-cable GPU — these are no longer available in Catalina.

32-bit apps support

Ok, it’s not as if you haven’t been warned. Catalina stops supporting 32-bit, so if you have any software based on this type of architecture, it won’t work after the upgrade.

Apple started talking about the upcoming transition in High Sierra. When Mojave was released, it was announced to be the last macOS with 32-bit support, encouraging developers to update their software.

Moving to 64-bit architecture in Catalina is definitely a good thing. While 32-bit processors and operating systems are long outdated, it makes much sense to take the apps to the new level as well. The update ensures better performance and allows access to more than 4GB of RAM, in contrast to 32-bit architecture. So if you’ve decided to move to Catalina, here are two things to do:

Check your macOS for 32-bit apps

There’s a manual way to search 32-bit programs on Mac:

1. Go to the Apple menu and select About This Mac
2. Click on System Report
3. Find Software on the left of the window > Applications
4. If you see “No” next to any app under the 64-Bit tab, it means the app requires an upgrade.

Let go of the past

Next, you’ll have to look for available updates on the Mac App Store—for the 32-bit apps you want to continue using. Note that some apps will go anyway though. For instance, Apple warned Mac users that Aperture is not going to work on macOS 10.15.

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The easiest way to both find and uninstall outdated 32-bit apps would be to use CleanMyMac X Uninstaller. It has a dedicated module that allows filtering apps by 32-bit:

iTunes: Dead or alive?

Just as many other macOS versions of the past, Mojave used to pack all your media into iTunes. Including the store where you could acquire new stuff. This is going to change with Catalina. Apparently, the reason behind splitting iTunes into three separate apps is very simple: It’s just too much for one app. So if you’re switching to macOS 10.15, your music goes to Apple Music, movies—to Apple TV, and you also get a dedicated application for podcasts. iTunes Store continues to live in its usual shape, inside the Apple Music app.

If you’re worried about what’s going to happen to your current library, here are the answers provided by Apple:

• No need to manually transfer any of your media files, the entire library will be moved automatically.
• Your iTunes Store purchases won’t disappear anywhere and you’ll be able to access them in corresponding apps.
• Your backups and all the syncing settings will be securely moved to Finder.

In general, dedicated apps should feel way more convenient—with a focus on different types of media. So if you’re up for improved file organization, Catalina is your choice.

Productivity boost

Mojave enriched your Mac with Stacks for better desktop file management as well as gave you the Dark Mode to make Mac’s display adjust to your workflow. Catalina goes even further. It expands your workspace and ensures a healthy Mac-life balance:

• Sidecar: An important feature that makes Catalina worth upgrading to is an extra screen. Mirror your Mac’s screen to iPad, add iPad’s screen to create a bigger workspace on Mac, or use it as a graphics tablet with Apple Pencil.
• Screen Time: Previously available on iOS, the app moves to macOS with Catalina to take control of your usage routine. Set time limits on how long you should use your computer— live a healthier Mac life.

Security perks

Apart from going darker, Mojave also went more stable and secure. New permission settings appeared, along with the limitations on tracking your activity by websites. In Mojave 10.14.4, the Safari autofill feature evolved, allowing users with Touch ID to add autofills to Safari in a single tap.

Catalina magnifies on the overall data access settings. The new macOS introduces Activation Lock, enabling you to own all the rights for erasing and reactivating your Mac. For the first time, the macOS is running on a dedicated real-only volume system, so no data is lost in the shuffle. In other words, you own the full control. You’ll be prompted whenever an app tries to access your data — whether it’s iCloud Drive, desktop files, or Downloads folder. Plus, you’ll have to give your permission to the apps trying to record screen.

Powerful app enhancements

All the flavour is in the apps. Apple enriches a number of default programs with new functionality as well as adds new apps every time a macOS comes out. Catalina is particularly rich. Not only does it appear with brand-new applications like Find My, macOS 10.15 also introduces the new native development approach.

Porting iOS apps to macOS

Catalina kick-starts Project Catalyst — simplified development of native macOS apps, based on their iOS counterparts. Basically, it’s about streamlining the existing code base to bring iOS apps to Mac with minimum effort. Apple kind of run a test drive in Mojave, transitioning native iOS apps — News, Stocks, Home, and Voice Memos — to macOS. It went well. Now it’s an instrument every developer owns.

Find My: Never lose your Mac

Before Catalina, the only way to track down a stolen Mac was via iCloud, which was impossible in case your computer was disconnected from the network. Find My locates your devices in a completely different way — via Bluetooth signals intercepted by nearby devices. Whether your Mac is shut down or sleeping, it’s location can still be found. The tracking is totally secure thanks to powerful encryption settings.

The new apps are not the only perks. With macOS 10.15, the functionality of your default programs expands. Photos now organizes your pictures by separate views for easy navigation. There are some major Notes, Reminders, and Maps updates. Plus, you get more personalization in Safari — with iCloud tabs and Siri suggestions.

So who’s the winner?

Clearly, macOS Catalina beefs up the functionality and security base on your Mac. But if you can’t put up with the new shape of iTunes and the death of 32-bit apps, you might consider staying with Mojave.

Still, we recommend giving Catalina a try. Spoiler: The default desktop wallpaper is beautiful. After all, you can test drive it and go back to the previous macOS if you don’t like the new functionality. Just make sure your Mac is ready for switching to Catalina.

For a final comparison, check the infographic below:

macOS Catalina gives you more of everything you love about Mac. Neat software update for el capitan. Experience music, TV, and podcasts in three all-new Mac apps. 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.

Check compatibility

If you're using one of these computers with OS X Mavericks or later,* you can install macOS Catalina. Your Mac also needs at least 4GB of memory and 12.5GB of available storage space, or up to 18.5GB of storage space when upgrading from OS X Yosemite or earlier.

MacBook introduced in 2015 or later
MacBook Air introduced in 2012 or later
MacBook Pro introduced in 2012 or later
Mac mini introduced in 2012 or later
iMac introduced in 2012 or later
iMac Pro (all models)
Mac Pro introduced in 2013 or later

* To upgrade from Lion or Mountain Lion, first upgrade to El Capitan, then upgrade to Catalina. To find your macOS version, Mac model, memory, and storage space, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Catalina, the installer will let you know. View the complete list of compatible computers.

Make a backup

Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.

Get connected

It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.

Download macOS Catalina

If you're using macOS Mojave, get macOS Catalina via Software Update: Choose Apple menu  > System Preferences, then click Software Update.

Or use this link to open the macOS Catalina page on the App Store: Get macOS Catalina. Then click the Get button or iCloud download icon.

Begin installation

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After downloading, the installer opens automatically.

Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.

If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.

Allow installation to complete

Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.

Stay up to date

Mac Catalina Problems

After installing macOS Catalina, you will be notified when updates to macOS Catalina are available. You can also use Software Update to check for updates: Choose Apple menu  > System Preferences, then click Software Update.

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Or get macOS Catalina automatically

If you're using OS X El Capitan v10.11.5 or later and your App Store preferences or Software Update preferences are set to download new updates when available, macOS Catalina will download conveniently in the background, making it even easier to upgrade. A notification will inform you when macOS Catalina is ready to be installed. Click Install to get started, or dismiss the notification to install later. When you're ready to install, just open the file named Install macOS Catalina from your Applications folder.

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Learn more

• If the installer shows a list of apps that are not optimized for your Mac, learn about 32-bit app compatibility, then choose whether to proceed with the installation.
• For the strongest security and latest features, upgrade to macOS Catalina. If you have hardware or software that isn't compatible with Catalina, you might be able to install an earlier macOS, such as Mojave, High Sierra, Sierra, or El Capitan.
• You can also use macOS Recovery to reinstall macOS.