About This Mac
(1) Click on the Apple Menu
(2) Select “About This Mac”
(3) Click the “Storage” tab

Storage Manager
(1) Find the Computer’s drive in the list, and click “Manage”
(2) From the Storage Manager , select “Documents”
(3) You can sort by “Large Files”, “Downloads” of “File Browser”.
If you select File Browser, you can see files on your computer listed by size, and you can drag unwanted files directly to the trash from this window.
