To find your current version, click on the Apple at the top left of the screen and select About This Mac.įrom the Overview window click on System ReportĬheck which Boot ROM version you currently have. If you have a metal graphics card and want to upgrade to macOS Mojave, or just enable your Mac Pro to install and boot from High Sierra or later on a PCIe NVME drive, Boot ROM version 144.0.0.0.0 is required.ĭepending on which versions of OS X you have previously installed on your Mac Pro will determine which Boot ROM Version you currently have. The process is the same for 2009 MacPro4,1 models that have been flashed to 5,1. 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.This guide explains the simple process for updating to the latest firmware version for all 20 MacPro5,1 models. 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. 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. Open your Applications folder and double-click the macOS installer, named Install. pkg file, then follow the onscreen instructions to install the macOS installer into your Applications folder. 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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