No matter how intuitive and reportedly “trouble free” Macs are to run, believe me, several months after you add hundreds of files, applications, and download thousands of webpages, your shiny new iMac or MacBook Air is going to run slower than when you first booted it out the box. That’s because like any computer, digital junk files pile up in the hard drive; and eventually it just needs to get cleaned out.
CCleaner is one such application utility that can perform cleaning operations for you.
It was recently released from its beta version for Mac users, and it can now be downloaded for free in the Mac App Store, or directly from the Piriform website. Windows PC users have been making use of CCleaner for a while, and now Mac users can finally take advantage of it. The interface is similar for both platforms, but the program is of course optimized to address the particular system clutter of OS X.