Select it and your PC will boot into macOS. This time, the Unibeast boot menu will display the macOS boot disk. When it’s done, restart your PC, with the USB drive still plugged in. After half an hour or so, it will finish. Select the drive and step through the installer until macOS starts installing itself. When the drive has erased, quit Disk Utility and the drive should be available to select from the installer.ġ2. is there another wat to download high sierra edit: by opening the apple link in safari it worked and opened the app store. but the links i open from apples website in itunes say it doesn't find the application. Make sure Mac OS Extended (Journaled) is selected and the Scheme is set to GUID Partition Map, then click Erase. i have a mid 2011 sierra mac, the latest update should be the high sierra. If that’s the case, click the Utilities menu and, when Disk Utility opens, choose the hard drive you want to install macOS on and click the Erase tab. The Time Machine hangs while showing Preparing backup message and may stay unresponsive for hours. This issue has been reported since El Capitan and, unfortunately, is still the case in macOS High Sierra. When it comes to selecting the drive on to which you want to install macOS, there may be no options to choose from. By then, your Mac should be ready to install and download macOS High Sierra. Use your PC’s arrow keys to navigate to ‘External’ and press ‘Enter.’ The macOS installer should now start.ġ1. It should now boot into Unibeast and give you the option of which drive to install from. Plug in the USB stick on which you installed Unibeast and restart your PC. If you’re downloading Mojave, download another version on a Mac that hasn’t yet been upgraded to Mojave, otherwise it will just update your current version.ġ0. When it’s finished, if you’re downloading High Sierra on a Mac running Mojave, you can quit System Preferences and look for the High Sierra installer in your Applications folder. When you start downloading, System Preferences’ Software Update will launch and show the progress of the download. Search “High Sierra”, for example, and it won’t turn up. Recent versions of macOS used to be easily accessible on the Mac App Store. Only when downloading from within High Sierra I get an installer that contains the installation files, when I download it in Sierra, my installer is also just about 8 MB, the installation files are downloaded only on install (no idea where the system is storing them during installation). to download it, but once you’ve done that you’re ready to go. It’s a free Mac app that creates an installer for macOS on a USB stick which is capable of being installed on an Intel PC. If it doesn’t resolve it, many people who can’t upgrade beyond High Sierra are going to have to downgrade (if possible) or buy new Macs.One of the most popular installer creation tools is Unibeast. ![]() So far Apple has not acknowledged the fault. The contributors to the above thread have determined that the fault lies at Apple’s end, in the software that validates new software installations. The net result is that any program that needs to be updated through the App Store to run under High Sierra, such as Pages, Keynote and Microsoft Remote Desktop, fails to run and quits with a “code signature invalid” error. I fell into this hole yesterday when I upgraded my wife’s iMac 12,2 (mid 2011) from El Capitan (10.11) to High Sierra (10.13), the final version that the model will run, so that I could install MS Office 2019 for her. ![]() There’s a comprehensive discussion here: ![]() It seems that in releasing Big Sur, Apple has somehow broken its code-signing service for High Sierra apps acquired through the App Store.
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