The process of upgrading your computer varies depending on which version of macOS is currently installed on your computer and how the computer is managed. Or in earlier versions of macOS, choose Apple menu > System Preferences, then click Software Update. Click General in the sidebar, then click Software Update on the right. If this is the case, you will need to replace your current computer with a newer model. From the Apple menu in the corner of your screen, choose System Settings. If your computer does not meet the minimum requirements for Big Sur, you will not be able to install a supported version of macOS. For seeing on Finder enter below command on Terminal: open /Library/iTunes/iPhone Software Updates. Catalina is the first version of macOS to support only 64-bit applications and. It is the successor to macOS Mojave and was announced at WWDC 2019 on Jand released to the public on October 7, 2019. 's desktop operating system for Macintosh computers. Then restart your mac, go to software update in system preferences and see if you have the option to install Cataline. If you are running an older OS, you can look at the hardware requirements for the currently supported versions of macOS to see if your computer is capable of running them: Actually, I find the right answer, all updates are at: /Library/iTunes/iPhone Software Updates. macOS Catalina (version 10.15) is the sixteenth major release of macOS, Apple Inc. Key Takeaways Keep macOS up-to-date using the in-built updater under System Settings > General > Software Update. There may be a problem with the sortware update preferences file that keeps track of ignored updates. If your computer is running macOS 10.15 Catalina or older it will need to be upgraded or replaced – make a note of your installed macOS version and your computer’s model and year as that information will be helpful when upgrading macOS. softwareupdate -fetch-full-installer -full-installer-version 10.13.6 pkgutil -check-signature /Applications/Install macOS Catalina.app Package Install.You’ll see the macOS name and version number (“macOS Catalina version 10.15.5” in the example below, which is too old) as well as your computer model and year.From the Apple menu in the top left corner of your screen, choose About This Mac.All UVM-owned computers running macOS 10.15 Catalina or older must be updated or replaced as soon as possible to comply with the University Information Security Policy. Generally, you navigate to the Software Update panel, check for available updates, download the updates from the Apple server, install the new macOS version.
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