Check your Macintosh HD storage

One of the key reasons for Mac cleaning is a full disk. So let’s examine how serious the problem is. Click on the Apple logo in the top left corner About This Mac > More Info… In the Settings, click on General > Storage settings.

< 20 GB left

Critical

> 40-50 GB left

No panic

Clean up your Apps and Documents

This comprehensive panel in Storage Settings shows you your largest files. Very likely, the most inflated categories will be Applications and Documents.

Click the Info sign

to reveal each category’s contents

Also, every Mac has 6-7 GB of pure junk to clear out

PART #2: Cleaning up the junk 🧹

This app CleanMyMac is a quick junk finder that collects millions of tiny junk files around your drive. They are caches, duplicates, broken downloads, outdated logs. These are invisible in Finder.

“If your Mac is pressed for space or performance, use CleanMyMac to weed out gigabytes of files you don’t need”

Apple, featured article “Tidy up your Mac” 2022

👉 You can start a free 7-day trial here

Types of hidden junk typically found on Mac

Application cache

Duplicate files

Archives and DMG

Old screenshots

A good deal of junk files can be found manually in Finder, the others require a dedicated app.

Look in the dusty corners

Clean up your Desktop

Press Fn + F11 to go to your Desktop. Delete the ancient screenshots you don’t need.

Search forunused .DMG

In the Finder, type in .dmg in the search bar. Delete the old installer files.

Delete duplicates

Use a duplicate finder app, like Gemini 2.

Delete duplicate files and media — use the CleanMyMac app

Duplicate files can be scattered everywhere. They are the single most spacious category that wastes your disk space.

💡Tip: Use the free version of CleanMyMac — it’s free to use for 7 days.

Go to the My Clutter tab and run a quick scan. This tool compares duplicates by many parameters, ensuring these files are 100% identical. Now you can quickly remove them in bulk.