Apple released OS X EI Capitan and it will run on all Macs capable of running OS X Yosemite, The OS X El Capitan GM is a few version numbers behind the production software, so if you want this latest OS X EI Capitan then simply follow this article which provides the information about how to install OS X EI Capitan over EI Cap GM beta seed.
- Initially open Mac App Store from your Dock (or by typing Command-Space bar to launch Spotlight and then entering in App Store).
- Now click on the feature tab.
- When OS X launches, there should be a gigantic OS X El Capitan banner atop the Featured page. If you don’t see this, you can also go to the OS X EI Capitan link under Quick links and above Apps made by Apple or directly you click here.
- Click the Download button underneath the OS X El Capitan icon.
- When the App Store asks if you’d like to continue, press Continue. The installer will then proceed to download.
- When the installer launches, go ahead and install it.
OS X EI Capitan looks similar to OS X Yosemite but it includes a new system wide font, San Francisco, and it introduces a new Split View option for Mission Control, allowing two full-screen apps to be used side-by-side. It also includes improved Spotlight Search and several new app features. Safari, for example, has gained Pinned Sites and a universal mute button, while Mail has new iOS style smart suggestions.