OS X El Capitan public beta 5 was launched by the company Apple Lossless Audio CODEC (ALAC), during this evening for all regular users who have installed a previous public beta version a OS X El Capitan.
The Apple company initiated the public beta testing program in June OS X El Capitan, and this fifth beta build is offered two weeks apart from the previous one, any person who has a Mac having the opportunity to test it at the moment on their own computer.
Anyone interested in testing OS X El Capitan public beta 5 can install the update through the Mac App Store or access this page to install the version directly from Apple's servers.
UPDATED: It seems that Apple has withdrawn this beta version.
