Before you install the macOS Big Sur beta, you need to back up your Mac and you should make sure that you create a second backup that you won’t accidentally overwrite. This captures a snapshot in time ...
The timing will depend on your Internet connection. How long does the macOS Big Sur beta take to download and install? Apple now offers the public macOS Big Sur beta, which takes about the same amount ...
The current version of the Mac operating system, macOS 11 Big Sur, was officially released last fall. But Apple often updates the OS and tries them out in betas before they are officially released.
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