To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.
Download, Install, or Update the best Mac apps - MacUpdate. Browse apps categories. Downloading macOS High Sierra Security Updates.
Learn how to upgrade to macOS Big Sur, the latest version of macOS.
Mac OS 8 is now an app you can download and install on macOS, Windows, and Linux. New, 13 comments. An Electron version of Mac OS 8. By Tom Warren @tomwarren Jul 29, 2020, 8:35am EDT. The Mac OS file downloaded by you in the above step is a complete operating system and you can be willing to use without installation. Therefore, on the VirtualBox, you only need to point to this postion of this file. In addition, Windows Installer must be present on your system. This should be the case for all supported Windows platforms.
Check compatibility
If a macOS installer can't be used on your Mac, the installer will let you know. Stop apps opening on startup mac. For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS.
If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Make a backup
Before installing, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Download macOS
It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection. https://cleverpromo605.weebly.com/blog/how-to-install-apps-on-mac-air.
These installers from the App Store open automatically after you download them:
Your web browser downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.
Install macOS![]()
Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.
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If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
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You might also be able to use use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.
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