macOS Catalina gives you more of everything you love about Mac. Experience three all-new media apps: Apple Music, Apple TV, and Apple Podcasts. Locate a missing Mac with the new Find My app. And now coming to Mac, your favorite iPad apps. You can even extend your desktop using iPad as a second displ. Feb 24, 2020 I used VikingOSX's link for the 10.12.6.dmg went through the stages to get the Install macOS Sierra.app With everything in place, install app in Applications, USB formatted correctly and named MyVolume. Download apps by Apple, including TestFlight, Beddit (for Model 3.5), Apple Store, and many more. I have previously upgraded my personal computer as follows: El Capitan - Sierra - High Sierra. Knowing that, I should be able to see the previous version in the App Store as outlined in this answer. However, I don't see Sierra in my Purchased tab in the App Store: Was Sierra 10.12 completely removed from the store (including previous purchases)?
![]() Check compatibility
You can upgrade to macOS High Sierra from OS X Mountain Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 14.3GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later MacBook Pro introduced in mid 2010 or later Mac mini introduced in mid 2010 or later iMac introduced in late 2009 or later Mac Pro introduced in mid 2010 or later
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS High Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, 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.
Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download macOS High Sierra
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS High Sierra, use this App Store link: Get macOS High Sierra.
Begin installation
After downloading, the installer opens automatically.
Https Itunes.apple.com Us App Macos-high-sierra Id1246284741 Ls 1 3![]() Https Itunes.apple.com Us App Macos-high-sierra Id1246284741 Ls 1 4
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
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.
Allow installation to complete
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.
Learn moreHttps Itunes.apple.com Us App Macos-high-sierra Id1246284741 Ls 1 8
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