Don't click on MacKeeper or CleanMyMac, ever. macOS (unix) is a self healing operating system and doesn't need any extra software to fix it or defrag disks, it only needs you and your brain.
El Capitan
Fromester’s guide to the latest operating system from Apple MacOS X (10.11.x) El Capitan is the next release version of Apple’s operating system for desktop and laptop computers. Release Date: 30th September 2015 Another polish and a bit of work under the bonnet, this update is cosmetic with a speed boost for most Yosemite users … Continue reading El Capitan
