15-09-2021

Catalina Instal

To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.

This OpenCore Catalina install guide is perfect if you’re looking at moving straight from Mojave or High Sierra straight up to Catalina with little to no effort at all. There are a couple of tutorials out there using OpenCore but we’ve condensed all that down into a small, manageable package. Install macOS Catalina on VMware on Windows PC Install macOS Catalina on VirtualBox. While VirtualBox is an undeniable rival and well-known competitor of VMWare Workstation, it also functions and works super easy super powerful, which makes it the favorite virtual machine app that is completely free to use.

Learn how to upgrade to macOS Big Sur, the latest version of macOS.

Check compatibility

Processing/mailing is typically completed by the Fulfillment Department within 2 business days of receipt. Once mailed, you should expect to receive your replacement coupon within 10 business days. If you would like to know the exact date that your fulfillment was sent, you may call Catalina Support at 888-826-8766. Follow these steps to install macOS Catalina: After completion of the macOS Catalina installation app download, the installer will automatically launch itself. If not, go to your Mac’s Applications folder and double click the Install macOS Catalina app. Follow the instructions that appear on-screen to finish the upgrade and start using the OS. The version of macOS that came with your Mac is the earliest version it can use. For example, if your Mac came with macOS Big Sur, it will not accept installation of macOS Catalina or earlier. If a macOS can't be used on your Mac, the App Store or installer will let you know.

The version of macOS that came with your Mac is the earliest version it can use. For example, if your Mac came with macOS Big Sur, it will not accept installation of macOS Catalina or earlier.

If a macOS can't be used on your Mac, the App Store or installer will let you know. For example, it might say that it's not compatible with this device or is too old to be opened on this version of macOS. To confirm compatibility before downloading, check the minimum hardware requirements:

  • macOS Catalina 10.15 hardware requirements
  • macOS Mojave 10.14 hardware requirements
  • macOS High Sierra 10.13 hardware requirements
  • macOS Sierra 10.12 hardware requirements
  • OS X El Capitan 10.11 hardware requirements
  • OS X Yosemite 10.10 hardware requirements

Download macOS using Safari on your Mac

Safari uses these links to find the old installers in the App Store. After downloading from the App Store, the installer opens automatically.

Catalina Install

  • macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
  • macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
  • macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
Catalina install drive

Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.

  • macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
  • OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
  • OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard
Install

After months of beta testing, Apple has rolled out macOS 10.15 Catalina to public users. You can download and install macOS Catalina if you have a compatible Mac. The macOS Catalina brings tons of new features such as the Apple Arcade, Screen Time, Voice Control, Sidecar, and Find My app. It has also replaced iTunes with three independent apps – Apple Music, Apple Podcasts, and Apple TV.

Catalina Install Iso

Is your Mac compatible with macOS Catalina?

Catalina Installed But Not Working

Here’s the list of Mac devices compatible with the new software update:

  • MacBook (Early 2015 or later)
  • MacBook Air (Mid 2012 or later)
  • MacBook Pro (Mid 2012 or later)
  • Mac mini (Late 2012 or later)
  • iMac (Late 2012 or later)
  • iMac Pro (2017)
  • Mac Pro (Late 2013 or later)

How to clean install the new software update

Upgrading to macOS 10.15 Catalina is pretty simple. Tap on the Apple icon in the top-left corner of the screen, then go to System Preferences > Software Update to download it. Alternatively, you can download it directly from the Mac App Store.

But sometimes upgrading macOS from the previous version to the latest one is not the best way. You might want to clean install macOS Catalina to give your Mac a fresh start without any issues from the previous installation. Here’s how to clean install macOS Catalina from USB drive:

Catalina Installieren

Steps to install

  • Take a full backup of all your important data. Save it to the cloud or an external drive
  • You have to create a bootable USB drive. Here’s how you can create it. Make sure the USB drive is at least 8GB in size, and nothing else is stored on it
  • Download the macOS Catalina installation file using this link
  • Turn off the Mac and then insert the bootable USB drive
  • Now turn the Mac back on while holding the Option key
  • It will take you to the boot menu where you can select the USB drive. If your Mac has the T2 security chip, you have to first enable booting via external drives from macOS Recovery
  • After a while, you’ll see the macOS Utilities menu on the screen. Select Disk Utility and then Continue
  • Check to make sure you’ve selected the main drive of your Mac. Also ensure that the format is set as APFS or Mac OS Extended
  • Now click Erase to wipe out the drive
  • Once the drive has been erased, select Install macOS and then Continue. Just follow the on-screen prompts to clean install macOS Catalina

Catalina Installer For Mac

Once you’ve successfully installed the new software, you can transfer all your data back from the cloud or external storage drive to the Mac. Also, head over to the Mac App Store and re-install all the apps you want.