Getting late 2013 rMBP ready for sale by installing El Capitan
I have a late 2013 rMBP that I'd like to get ready for sale. First I'd like to totally wipe the drive (partitions and all) with a fresh install of El Capitan so that even recovery (command R) option is El Capitan, and the system is fresh for the next user. How would I go about doing this - will just running the El Capitan update through the App Store accomplish this?
Thanks!
MacBook Pro (Retina, 15-inch, Late 2013), OS X Yosemite (10.10.2)