: Use Time Machine or another method to back up your files before any major OS update.
If Big Sur is available for your Mac, click to begin the download. Method B: Via the Mac App Store advertisement macOS Big Sur Free Download
Before downloading, verify that your Mac is officially supported. Big Sur requires a 64-bit Intel or Apple Silicon (M1) processor and at least 4GB of RAM. : 2015 or later MacBook Air : 2013 or later MacBook Pro : Late 2013 or later Mac mini : 2014 or later iMac : 2014 or later iMac Pro : 2017 or later Mac Pro : 2013 or later 2. Prepare Your Mac : Use Time Machine or another method to
This is the simplest way to get the latest compatible version for your specific Mac. Big Sur requires a 64-bit Intel or Apple
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