Mac, open Safari go back to the App Store High Sierra page and see if it now says 'Get'. If you have found any of those or one and you have moved it to the Trash and emptied the Trash, restart your If you find a folder named like that, check the date that it was downloaded corresponds with yesterdays date then move it to the Trash, empty the Trash. ![]() Or use the OS X installation disc that came with your machine or buy a new one to. Download the relevant macOS or OS X installer from Apple, then use Terminal to create a USB installer you can boot up from. One more thing is to look inside your /Library/Updates folder, to find this folder click on Finder in the Dock,Ĭlick on View in the menubar and select Go To Folder, enter this text,Ī Finder window will open with the folder Updates highlighted, have a look inside for any folder that is titled using numbers in a string of 3 numbers then a string of 5 numbers or something similar. Install macOS or OS X from Internet Recovery Mode, which you can boot into by holding option+command+R while your Mac powers up. If you see Install macOS High Sierra.app appearing there, click and hold on it till it wiggles, then click on the small 'x'that appears. do you have the Install macOS High Sierra.app icon in your Dock.Īnother thing to try is opening Launchpad, it should be the rocket icon in your Dock and in your Applications folder, If you find anything move it to the Trash,Įmpty the Trash. Ok so open your Applications folder and check again for anything that could be related to the High Sierra installer,įor instance Install macOS High Sierra.app or anything High Sierra related. How to create a bootable installer for macOS – Apple Support Have the Install macOS High Sierra.app in your Applications folder, and a 16GB USB stick named MyVolume, then follow the instructions here on how to create the bootable USB installer. It is also possible to make a bootable USB stick with the High Sierra installer on it. It is a good idea to keep a copy safe on an external drive should you ever need to reinstall macOS High Sierra (saves having to go through the painful download process or having to access the unreliable Apple Recovery Servers) or want to install it on another mac you have. When the download has completed and you have confirmed it is 5.23GBs in size then please make a copy of it for safe keeping, As I say the one in the Applications folder will self delete after you complete the installation. And also make sure the iMac is connected to your router via cable and not WiFi. You can also use iCloud for Windows to access your photos, contacts, calendars, files, and more across all of your devices. You can use iTunes for Windows to back up and update your iPhone, iPad, or iPod touch, and to sync content from your computer to your device. Restart your mac and go back to the App Store and try the download again, make sure the App Store says 'Get'. Manually manage and sync your iPhone, iPad, or iPod touch. ![]() Ok on your iMac you have macOS High Sierra.appdownload, as you can see it is only 415kbs, move it to the Trash and empty the Trash. If you have downloaded it to your laptop and installed it the Install macOS High Sierra.app self deletes after installing, whereas you could have just made a copy prior to installing so that you could move it over to your iMac. The applications are available, but they will be not updated anymore.Wish you had told me you were trying to install macOS High Sierra on two different macs. The development of the old versions is discontinued. Requirements: Intel-based Mac or Mac with Apple silicon using macOS Sonoma 14. ![]() Use the correct version, and don't try to use a version intended for an earlier operating system. ![]() There is a specific version of OnyX for each major version of the operating system. OnyX is a reliable application which provides a clean interface to many tasks that would otherwise require complex commands to be typed using a command-line interface. OnyX is a multifunction utility that you can use to verify the structure of the system files run miscellaneous maintenance and cleaning tasks configure parameters in the Finder, Dock, Safari, and some Apple applications delete caches remove certain problematic folders and files rebuild various databases and indexes and more.
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