For instance, if you’re upgrading from macOS Sierra or later to macOS Big Sur, this update requires 35.5 GB, but if you’re upgrading from a much earlier release, you’ll need 44.5 GB of available storage. The single most common reason your Mac won’t update is lack of space. Why won’t my Mac let me update to Mac OS Sierra? Here’s How Long the macOS High Sierra Update Takes Task Time Backup to Time Machine (Optional) 5 minutes to a day macOS High Sierra Download 20 minutes to an 1 hour macOS High Sierra Installation Time 20 to 50 minutes Total macOS High Sierra Update Time 45 minutes to an hour and 50 minutes. How long does it take to install OS Sierra? Your Mac will restart once the installation is complete. Select your startup disk and click Install. In our previous article, we downloaded the macOS High Sierra VMware Image. If you are a Mac users, so you can download the macOS High Sierra 10.13 from App store but if you are PC user then you’ve got the chance to do it from the guide here. Click Continue and follow the on-screen instructions. No worries, you can do it now, no need to wait if you’re on PC or Mac. Once you see the macOS Utilities screen choose the Reinstall macOS option. Here are the steps Apple describes: Start up your Mac pressing Shift-Option/Alt-Command-R.
How do I install an older version of Mac OS? Click Install when it shows your boot drive. Click “Download” and wait while it downloads.
Can you still download mac os high sierra how to#
Here’s how to download and install macOS Sierra: Go to this link (or through the App Store) to get to the download page.
How do I install Sierra on an unsupported Mac?.
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