How to update my mac os to 10.8 how to#
How to update my mac os to 10.8 install#

Click Install, and enter your Apple ID information if prompted. Follow the instructions on the screen, and then choose your hard disk. If prompted, select your main language and then click the arrow. Do not close the lid or power off your Mac until installation is complete. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.

During installation, your Mac may restart, or display a blank screen for a short time.

In the Updates window, locate the line that says Catalina.

In the App Store, on the left side of the window, select Updates.

In the menu bar, click the Apple icon to open the Apple menu.

How to update my mac os to 10.8 install#

Do not close the lid or power off your Mac until installation is complete.Īfter you've gone through the preparation steps, you need to download and install the latest version of macOS. If playback doesnt begin shortly, try restarting your device.

How to update my mac os to 10.8 how to#

During installation, your Mac may restart, or display a blank screen short time. How To Update your Mac (OS 10.8 and earlier) Watch later.When this process is complete, an installer application named Install OS X El Capitan is placed in your Applications folder.Follow the on-screen instructions to perform a compatibility check, and prepare for installation.In the archive, double-click InstallMacOSX.pkg.Double-click the downloaded archive, InstallMacOSX.dmg, to view its contents.The file size is 5.8 GB, so the download may take a while, depending on the speed of your Internet connection. Download the El Capitan installer from Apple.If your Mac is running OS X Lion or Mountain Lion, follow these steps to upgrade to El Capitan. If your Mac is running Mavericks or newer, you can proceed to upgrade to Catalina. OS X 10.8 Mountain Lion was only available as an upgrade through the Mac App Store and cost £13. * If your Mac is running OS X Lion or Mountain Lion, you must upgrade to El Capitan before you can upgrade to Catalina. Apple stopped supplying DVDs with the release of OS X 10.7 Lion (though it was available for a short time on a USB drive) and cost £20.99 in the UK, preferring a download delivery model via the new Mac App Store, instead. The following versions of OS X and macOS can be upgraded to macOS Catalina. If anything goes wrong, you can restore your Mac to its previous state. Back up your dataĪlthough not required, we strongly recommend you back up your Mac before proceeding with an upgrade. However, you can still try to upgrade to El Capitan. If you’re running Snow Leopard (10.6.8) or Lion (10.7) and your Mac supports macOS High Sierra, you will need to upgrade to El Capitan first. Upgrading from OS X Snow Leopard or Lion. If your Mac is not on this list, you cannot upgrade to Catalina. Excerpt: Upgrading from previous versions of OS X.