Although hardware compatibility is essentially identical to OS X 10.11 'El Capitan,' OS X 10.10 'Yosemite,' and OS X 10.9 'Mavericks,' Hackintosh installation procedures and tools can be different for OS X 10.8 'Mountain Lion': Install OS X 10.8 Mountain Lion - A complete OS X 10.8 'Mountain Lion' Hackintosh installation guide from the. MacBook Pro 13' Mid-2010: Mountain Lion vs El Capitan. I have a: MacBook Pro 13' Mid-2010 Processor 2.4 GHz Intel Core 2 Duo Memory 4 GB 1067 MHz DDR3 NVIDIA GeForce 320M 256MB. I updated it to OS X El Capitan in the beginning of the month but it started to run slowly (like taking 2 minutes to start Word 2016 from Office 365) Since. 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 10.10 can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard.
I am running Mountain Lion on Mac mini late 2012. I loaded El Captain from Apple Store and start the upgrade procedure. After a while the system rebooted and got a OS installation screen. After a while I got the message 'OS X could not be installed on your computer no packages were eligible for install' with a restart button, pressing 'Restart' the computer Restarted came age to the OS instillation screen and after few minutes - same message again. The only option was to restart with 'Command R' and to reinstall Mountain Lion.
Mac mini, OS X 10.11
Posted on Jan 27, 2020 9:24 AM
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.
- Check compatibility.
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.
- 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.
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.
| OS name | Version | Release date |
|---|---|---|
| OS X Lion* | 10.7 | July 20, 2011 |
| OS X Mountain Lion* | 10.8 | July 25, 2012 |
| OS X Mavericks | 10.9 | October 22, 2013 |
| OS X Yosemite | 10.10 | October 16, 2014 |
| OS X El Capitan | 10.11 | June 8, 2015 |
| macOS Sierra | 10.12 | June 13, 2016 |
| macOS High Sierra | 10.13 | June 5, 2017 |
| macOS Mojave | 10.14 | June 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.
- 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.
- Double-click the downloaded archive, InstallMacOSX.dmg, to view its contents.
- In the archive, double-click InstallMacOSX.pkg.
- Follow the on-screen instructions to perform a compatibility check, and prepare for installation.
- 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.
- 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.
- In the menu bar, click the Apple icon to open the Apple menu.
- In the Apple menu, select App Store.
- In the App Store, on the left side of the window, select Updates.
- In the Updates window, locate the line that says Catalina.
- On the far right side, select Update.
- Catalina is downloaded and installed.
- 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 X El Capitan
- See our update definition for further information and related links.