to optimize its performance.

Doing this deletes media files,

such as images and text files

that it gathers from sites you visit

and applications that you run.

With the finder window open, press shift + command + G.

Or from the top menu bar,

click "Go," then click "Go to Folder."

Enter the following command into the search box:

~/Library/Caches.

You can copy and paste this command

from the description below.

This will bring you to the folder

that contains all your Mac's cached files.

Now select the folders by pressing command + A.

Or from the top menu bar, click "Edit,"

then click "Select All."

Now delete all the selected folders

by pressing command + delete.

Or from the top menu bar, click "File,"

then click "Move to Trash."