This article explains three different methods for freeing up space on a Mac and why it is useful to do so.
How to Clear Purgeable Space on Mac
One of the easiest ways to reclaim purgeable space is to check the Optimize Mac Storage setting on your Mac. Through the Optimize Mac Storage options, you can save a significant amount of storage space by following Apple’s recommendations.
On your Mac, click the Apple logo in the top left corner of your screen.
Click on System Settings.
