Related information: According to an email in a live demo from Apple&#x27;s iPhone event, El Capitan is set to be released on September 30th. [0]<p>[0]: <a href="http:&#x2F;&#x2F;9to5mac.com&#x2F;2015&#x2F;09&#x2F;09&#x2F;apple-reveals-os-x-el-capitan-release-date-update-set-ship-on-september-30th&#x2F;" rel="nofollow">http:&#x2F;&#x2F;9to5mac.com&#x2F;2015&#x2F;09&#x2F;09&#x2F;apple-reveals-os-x-el-capitan-...</a>