Mac Os Update High Sierra To Catalina

Operating system upgrades bring increases in efficiency, new features, stronger security, and updates to included software utilities. The following page shows you how to upgrade your Apple Macintosh desktop or laptop computer to Catalina (10.15), the current version of macOS.

  1. Mac Os High Sierra To Catalina
  2. Mac Os Update High Sierra To Catalina
  • Check compatibility.

The reason was High Sierra included the firmware upgrade to allow a Mac to boot from APFS volumes. Also, if your Mac boots from a SSD, then the upgrade would convert the boot volume to APFS. I can refer to this previous question: Updating to macOS Catalina gets stuck, when trying to update from OS X Mavericks. But Migration Assistant has its limits: in Catalina and Big Sur, you must migrate from a backup made from or a computer running Mac OS X 10.11 El Capitan or later. Attempts to copy from older.

Or you can get the latest macOS Catalina on the App Store for other versions including High Sierra (10.13), Sierra (10.12) or El Capitan (10.11). If you’re using Lion (10.7) or Mountain Lion (10.8), you will need to upgrade to El Capitan (10.11) first before you could upgrade to macOS Catalina. Go to Software Update in System Preferences to find the macOS Catalina upgrade. Click Upgrade Now and follow the onscreen instructions to begin your upgrade. Upgrading from an older version of macOS? If you’re running High Sierra (10.13), Sierra (10.12), or El Capitan (10.11), upgrade to macOS Catalina from the App Store.

Check compatibility

Before installing Catalina, verify your Mac is eligible for the upgrade.

Verify the model of your Mac

The following Mac models can be upgraded to macOS Catalina.

Catalina
  • Mac Pro - All models produced from mid-2013 and later.
  • MacBook Pro - All models produced from mid-2012 and later.
  • iMac - All models produced from late 2012 and later.
  • MacBook - All models produced from late-2015 and later.
  • MacBook Air - All models produced from late-2012 and later.
  • Mac mini - All models from mid-2012 or later.
Tip

If your Mac is not on this list, you cannot upgrade to Catalina. However, you can still try to upgrade to El Capitan.

Back up your data

Although not required, we strongly recommend you back up your Mac before proceeding with an upgrade. If anything goes wrong, you can restore your Mac to its previous state.

Check your OS version

The following versions of OS X and macOS can be upgraded to macOS Catalina.

Directly
    OS nameVersionRelease date
    OS X Lion*10.7July 20, 2011
    OS X Mountain Lion*10.8July 25, 2012
    OS X Mavericks10.9October 22, 2013
    OS X Yosemite10.10October 16, 2014
    OS X El Capitan10.11June 8, 2015
    macOS Sierra10.12June 13, 2016
    macOS High Sierra10.13June 5, 2017
    macOS Mojave10.14June 4, 2018

* If your Mac is running OS X Lion or Mountain Lion, you must upgrade to El Capitan before you can upgrade to Catalina.

If your Mac is running Mavericks or newer, you can proceed to upgrade to Catalina.

Upgrade to El Capitan, if necessary

If your Mac is running OS X Lion or Mountain Lion, follow these steps to upgrade to El Capitan.

  1. Download the El Capitan installer from Apple. The file size is 5.8 GB, so the download may take a while, depending on the speed of your Internet connection.
  2. Double-click the downloaded archive, InstallMacOSX.dmg, to view its contents.
  3. In the archive, double-click InstallMacOSX.pkg.
  4. Follow the on-screen instructions to perform a compatibility check, and prepare for installation.
  5. When this process is complete, an installer application named Install OS X El Capitan is placed in your Applications folder. Double-click it to begin installation.
  6. During installation, your Mac may restart, or display a blank screen short time. Do not close the lid or power off your Mac until installation is complete.

Upgrade to Catalina

After you've gone through the preparation steps, you need to download and install the latest version of macOS. The following steps show you how.

  1. In the menu bar, click the Apple icon to open the Apple menu.
  2. In the Apple menu, select App Store.
Mac Os Update High Sierra To Catalina
  1. In the App Store, on the left side of the window, select Updates.

Mac Os High Sierra To Catalina

  1. In the Updates window, locate the line that says Catalina.
  2. On the far right side, select Update.
  3. Catalina is downloaded and installed.
  4. During installation, your Mac may restart, or display a blank screen for a short time. Do not close the lid or power off your Mac until installation is complete.

Additional information

Mac Os Update High Sierra To Catalina

  • See our update definition for further information and related links.