Start from scratch
The preparation is a little intimidating, but there’s nothing like a fresh install of macOS to really clear things out.
THE SOLUTIONS WE’VElooked at so far for decluttering and cleaning your Mac have been fairly minor — the rough equivalent of a bit of dusting, or trashing old boxes that have been stacked in a corner for way too long. But there’s a more extreme option — the decluttering equivalent of “nuke it from orbit.” We’ll now explore this course of action, which starts with beginning afresh, reverting your Mac to the equivalent of factory settings. After that, you’ll gradually build it back up to a workable state, restoring your documents, media, and apps.
