TechRepublic

OS X El Capitan: The smart person’s guide

OS X users running at least OS X Snow Leopard (build 10.6.8 or newer) are able to download the Install OS X El Capitan app exclusively from the Mac App Store. The installer, which tips the scales at ...
CNET

All you need to know about OS X El Capitan

The next version of Apple's Mac software is available for download. CNET explains where you can get it and how to use it. Kent was a senior managing editor at CNET News. A veteran of CNET since 2003, ...
MacRumors

Apple Releases OS X 10.11.6 El Capitan With Bug Fixes and Security Enhancements

Apple today released OS X 10.11.6 to the public, marking the sixth update to the El Capitan operating system that was first released on September 30, 2015. OS X 10.11.6 comes two months after the ...
Macworld

Installing macOS or OS X: What to do when ‘the installer payload failed signature check’ or ‘this copy of the install OS X application cannot be verified’

The other day a co-worker needed to borrow a Mac, so I grabbed an older MacBook Air from storage. I decided to wipe out the laptop’s flash storage and install a fresh version of OS X. I created a ...