The Mac must also be using macOS High Sierra or later, the latest version of macOS Sierra or the latest version of OS X El Capitan. To download an installer suitable for creating a bootable installer, use the App Store or use a web browser to download from a compatible Mac. ![]() Each command assumes that the installer is in your Applications folder, and MyVolume is. For the first time in almost two decades, Apple has decided to bump up the version number of the Mac’s operating system. ![]() Type or paste one of the commands below into Terminal, then press Return to enter the command. Open Terminal, which is in the Utilities folder of your Applications folder. Follow the onscreen installation instructions.Ī bootable installer can be useful if you want to install macOS on multiple computers without downloading the installer each time, or when you can’t install using the other methods. Some features may not be available in all regions or on all Apple devices. Use Terminal to create the bootable installer. Applications and plug-ins only take a fraction of the total installation size. Open your Applications folder and double-click the macOS installer, named Install. With the release of macOS 10.15 (Catalina), Apple introduces tighter security. Depending on your internet connection, this may take a while, so be patient. If youre performing an upgrade install, you need to make sure the startup drive have about 6. When you’re ready, click the blue Get button to download the MacOS Catalina installer (8.16GB). It can be mounted as a volume within the Finder and behaves much. pkg file, then follow the onscreen instructions to install the macOS installer into your Applications folder. The macOS Catalina may take 18.5 GB space on your hard drive, but to operate it properly, you will need more than 20 Gb disk space to clean install Catalina. A macOS Catalina DMG file is a disk image file that contains the installer for macOS Catalina. dmg file to open it and see the package (.pkg) file within.ĭouble-click the. Use these links to download a macOS disk image (.dmg) file.ĭouble-click the.
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