It is no longer supported by Apple and does not receive security updates.
This article explores everything you need to know about 10.11.6, from its release purpose to its enduring legacy in the Apple ecosystem. What is OS X 10.11.6? 10.11.6
Are you looking to do a or just upgrade an existing system to El Capitan? It is no longer supported by Apple and
The primary objective of 10.11.6 was to solidify the system. It addressed several long-standing bugs that caused apps to quit unexpectedly or caused system slowdowns. Regular security patches provided until late 2018 meant this OS remained safe to use long after its initial release. 2. Enhanced Compatibility Are you looking to do a or just
I need a little more context to help you effectively, as "10.11.6" usually refers to a specific version number, most likely or OS X El Capitan (version 10.11.6) .