1. Upgrade To Macos Catalina From Mavericks
  2. Can You Upgrade From Mavericks To Catalina

Make sure you've tried using the File Default Options command first, since this solves more than 50% of reported problems. If you're having a problem with VueScan hanging or not finding your USB scanner, it's almost always a problem with the USB cable. MacOS Catalina (version 10.15) is the sixteenth major release of macOS, Apple Inc.' S desktop operating system for Macintosh computers. It is the successor to macOS Mojave and was announced at WWDC 2019 on June 3, 2019 and released to the public on October 7, 2019.

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macOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy.

Check compatibility

macOS Big Sur is compatible with the following computers. If your Mac isn't compatible, you might be able to install an old version of macOS instead.

MacBook introduced in 2015 or later
MacBook Air introduced in 2013 or later
MacBook Pro introduced in late 2013 or later
Mac mini introduced in 2014 or later
iMac introduced in 2014 or later
iMac Pro
Mac Pro introduced in 2013 or later
View the complete list of compatible computers.

If upgrading from macOS Sierra or later, your Mac needs 35.5GB of available storage to upgrade. If upgrading from an earlier release, your Mac needs up to 44.5GB of available storage. To upgrade from OS X Mountain Lion, first upgrade to OS X El Capitan, then upgrade to macOS Big Sur.

Download macOS Big Sur

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

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

Install macOS Big Sur

After downloading, the installer opens automatically. Click Continue and follow the onscreen instructions.

Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, it might restart and show a progress bar or blank screen several times. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.

Upgrade To Macos Catalina From Mavericks

Stay up to date

After installing macOS Big Sur, you will be notified when updates to macOS Big Sur are available. To check for updates, choose Apple menu  > System Preferences, then click Software Update.

Which macOS version is installed?

From the Apple menu  in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.

Which macOS version is the latest?

As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS. To get a later version, install the latest Apple software updates.

Can You Upgrade From Mavericks To Catalina

macOSLatest version
macOS Big Sur11.6
macOS Catalina
10.15.7
macOS Mojave10.14.6
macOS High Sierra10.13.6
macOS Sierra10.12.6
OS X El Capitan10.11.6
OS X Yosemite10.10.5
OS X Mavericks10.9.5
OS X Mountain Lion10.8.5
OS X Lion10.7.5
Mac OS X Snow Leopard10.6.8
Mac OS X Leopard10.5.8
Mac OS X Tiger10.4.11
Mac OS X Panther10.3.9
Mac OS X Jaguar10.2.8
Mac OS X Puma10.1.5
Mac OS X Cheetah10.0.4