MacOS Big Sur requires an astonishing 46.01 GB of storage space on your Mac – 12.18 GB just for the update file and the remaining 34.83 GB is used up to be able to deploy and perform the new MacOS installation. The download itself is already several gigabytes in size, so many people have had to wait the whole day for the whole system update to finish downloading. Mac users can download macOS Big Sur through the Mac App Store.
MacOS developers promised that this major system update would be big – and they weren't joking.
