To follow the steps in this article, you'll need an empty 16GB or larger USB thumb drive (USB-C or USB-A, depending on your Mac) and an hour or two of downtime while the installation procedure completes.Īlso, be sure to perform a full backup of your Mac beforehand using Time Machine, so that you can restore your original system from the Recovery partition if something goes wrong. Performing a clean install can also remove annoying quirks and strange behaviors that your Mac may have inherited over time, and often helps to reclaim disk space caused by junk files left by third-party apps. You’ll get beta versions of the Catalina updates.This article guides you through the process of performing a clean installation of macOS 10.15 Catalina using the bootable USB drive method, rather than upgrading your Mac using Apple's standard installation package, which retains existing user data and any user-installed apps.Ĭreating a bootable USB drive provides you with a convenient way to install a fresh copy of macOS Catalina on multiple Macs. You can continue to participate in the beta program after the Catalina golden master has been released. It’s it’s a 32-bit app, you need to find an update, find another app to use, or put off the upgrade to Catalina. If you have an app that’s absolutely vital to your work, check to see if it’s a 64-bit app or not. If your software is up-to-date, you’re probably using 64-bit versions. If you have a really old app that you use and it hasn’t been updated in a while, there’s a chance it could be a 32-bit app that won’t run in Catalina. (32- and 64-bit have to do with the linear address space an apps uses, the amount of RAM an app can use, and other characteristics.) One of the major changes in macOS Catalina is that software must be 64-bit in order to run. What’s the deal with 32-bit and 64-bit apps and macOS Catalina? The TV app is where you’ll find your movies and TV shows now. At the 2019 WWDC, Apple addressed this as Project Catalyst, and we’ll start to see on the Mac more Apple and third-party apps that started out on the iPad. At its 2018 Worldwide Developers Conference, AppleĪnnounced that it was giving software developers the tools to bring their iOS apps to the Mac. This is what Project Catalyst is all about. What’s all this stuff about iPad apps running on the Mac? Enhanced support for international languages.The ability to restore macOS from a snapshot.QuickTime Player has improved Picture-in-Picture, Movie Inspector, and more.Better tools for managing your Apple account.The features listed above are the ones that will get the most attention, but there are a lot of other features in Catalina that you’ll find useful. What other macOS Catalina features should I know about? Sidecar, for using an iPad as an external display.A new Find My app that combines the features of Find My iPhone and Find My Friends.Three new features in Apple Mail: mute a thread, block a sender, and unsubscribe.Music, Podcasts, and Apple TV apps that replace the iTunes app.Project Catalyst: iPad apps that have been brought over to the Mac.Here’s a quick list of some of the new features and apps. Performance has been improved and usability has been increased. There are a few new apps, and several other apps with major new features and UI revisions. The new Music app will hold all of your playlists and songs.Ĭatalina has more major new features than we’ve seen in past macOS upgrades. The download will be several gigabytes in size, and the installation will take several minutes, so use a reliable internet connection and be prepare to not be able to use you Mac for anything else other than the installation. How can I get macOS Catalina?Īpple makes macOS Catalina available through the MacOS Catalina was released on October 7, 2019. The installation takes several minutes, depending on the speed of the internet connection. When you are ready to install, click on the Install Now button. A window for the Catalina update should appear.If you want the Catalina update, click on the “More info” link below Monterey. The macOS Monterey update will appear.This will open the Software Update system preference. In the window that appears, go to the Overview tab if it’s not already open.Also, your Mac will need to restart in order to finish the installation. To install the update, you need an internet connection. Before updating your Mac, it’s a good idea to back up your data, just in case the update causes problems.
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