![]() … There are newer versions of the OS available too, with a security update for 10.13. I can also be downloaded as an update from the Mac App Store and as an installation file. ![]() Is Mac OS High Sierra still available? Yes, Mac OS High Sierra is still available to download. Click on Disk Utility in the macOS Utilities window. However, adding Option+Shift will allow you to reinstall High Sierra, if your Mac came with it installed. Note, you can also boot into Recovery mode by pressing Command+R. Hold down Command+Option+Shift+R to boot into recovery mode. Shift Option Command R – Install the macOS that came with your Mac, or the version closest to it that is still available. Release them, and an alternative boot screen with a Mac OS X Utilities menu will appear to complete the system restore.Ĭommand R – Install the latest macOS that was installed on your Mac, without upgrading to a later version. Hold the Command and R keys simultaneously until the Apple logo appears. Once you’re backed up, follow these steps: Shut down the machine and boot it back up with an AC adapter plugged in. Connect the bootable installer to your Mac.Next, create a bootable installer on a memory stick.Download the macOS installer of your choice.How do I reinstall Catalina from Sierra?īut first, if you want to downgrade from macOS Catalina to Mojave or High Sierra using a bootable drive, follow these steps: The good news is that, if you follow the instructions strictly to update your Mac Operating System, the chance to lose data on your Mac is quite slim, since a reinstallation just needs to create a new copy of the OS, your existing files stored on your Mac won’t be lost. Can you reinstall macOS without losing data? Wait for the entire process to be complete.Ī quick side note: on Mac, updates from Mac OS 10.6 are not supposed to generate data loss issues an update keeps the desktop and all personal files intact. ![]()
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