MacOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy. MacOS High Sierra (version 10.13) is the fourteenth major release of macOS, Apple Inc.' S desktop operating system for Macintosh computers. MacOS High Sierra was announced at the WWDC 2017 on June 5, 2017 and was released on September 25, 2017. A: Check to make sure your Install macOS High Sierra App is the correct one. It should be around 5GB in size. If you used the 'Skip App Verification' option, you have most likely selected an invalid app that doesn't contain the necessary files. Q: I cannot open my copy of Install macOS High Sierra with the patch tool.
Why Should We Upgrade to macOS High Sierra? Apple released the latest macOS, High Sierra, and added some new features including a new and improved Apple File System (AFPS), a faster browser, stellar graphics, better gaming capabilities and VR support. MacOS 10.13 is absolutely worthwhile to upgrade your Mac. MacOS High Sierra System. MacOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion Safari 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. The macOS High Sierra 10.13.6 Update;adds AirPlay 2 multiroom audio support for iTunes and improves the stability and security of your Mac. This update is recommended for all users. AirPlay 2 for iTunes 12.8. Why can’t I downgrade from MacOS 10.15.6 to 10.14.6, in a 15inch retina MBPro 11,3 mid 2014, which was already running 10.11.6 originally when I bought it, and I upgraded to catalina. Upgrade macos to 10.13. If you’re running any release from macOS 10.13 to 10.9, you can upgrade to macOS Big Sur from the App Store. If you’re running Mountain Lion 10.8, you will need to upgrade to El Capitan 10.11 first. If you don’t have broadband access, you can upgrade your Mac at any Apple Store. Learn more about how to upgrade.
Before installing this upgrade, make sure that your Mac is ready.
macOS Big Sur supports most Mac models introduced in 2013 and later.
View compatible Mac modelsBefore you upgrade, make a complete backup with Time Machine, or store your files in iCloud.
Learn how to back up your MacIf the installer needs more storage space to upgrade, you can free up space using tools that come with your Mac.
Free up storage spaceIf you’re using macOS Mojave or later, choose Apple menu > System Preferences, then click Software Update. If you’re using an earlier macOS, use the App Store instead.
Learn how to download and install macOS Big SurLearn about some of the new features of macOS Big Sur.
Control Center brings favorite controls such as Bluetooth, Wi-Fi, Do Not Disturb, and Sound together in a single place—so you can easily adjust them at any time.
Use Control CenterNotification Center puts notifications and>
Customize your start page, navigate with ease using the new tab bar, and access a new privacy report to see just how Safari protects your privacy as you browse.
Get to know SafariDiscover great places around the world and navigate easier with guides, cycling directions, indoor maps, Look Around, electric vehicle routing, and more.
Send messages to friends and family using new tools that make it easier to keep track of group conversations and give you fun, engaging ways to express yourself.
Use MessagesLearn more on YouTubeUse the expanded editing capabilities in Photos to easily make simple changes and more advanced adjustments to your photos.
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