Use the Manage… button available in the Storage window that you opened above. To solve this problem and manage to install macOS 11.0.1 on our machine we have applied the following tricks to free up space: 1. ( System, Apps, Mail, Documents, iCloud Drive).

Hover with the mouse over each segment, on the storage bar, to find out what type of files are using the most storage on your computer.

Click on Storage, in the horizontal menu, next to Displays.

Click the Apple logo, in the top-left corner of the screen.

To be efficient when trying to create additional free space you need to know what files are the biggest storage consumers on your Mac.

But the macOS Big Sur install screen claims that I need to free up an additional 27,43 GB! How To Check For Available Storage Space On Mac That’s a huge amount of space especially for Mac owners that are limited to 128 GB!Īs you can see, in the screenshot updated nearby, our Macbook Air already has the 12,18 GB large macOS Big Sur update file downloaded and there are 7,4 GB extra available. That’s around 12.18 GB for the update file and an additional 34,83 GB to be able to deploy and perform the macOS 11.0.1 installation. If you manage to get past the ‘ An error occurred while installing the selected updates‘ popup and actually download the macOS 11 update package, there is a high probability that you’ll get stuck at the ‘There is not enough free space on the selected volume to upgrade the OS!’ error dialog box! macOS Big Sur Storage Requirementsīelieve it or not macOS Big Sur requires an astonishing 46,01 GB of storage space on your Mac. Upgrading to macOS Big Sur can prove to be quite a challenge especially if you’re trying to do it now as soon as it was released. How to fix macOS Big Sur not enough storage to update!

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