In addition to new seeds for its mobile platforms, Apple has released the second Developer Preview of the upcoming OS X El Capitan for Macs. The update is available via Software Update in the Mac App Store. Similarly to iOS 9, El Capitan brings many under-the-hood enhancements in addition to new features like a split-screen mode for core applications, a new Notes app, and an enhanced Mission Control view. New changes and fixes in the second preview have already been discovered and are included in updates below. El Capitan will ship to all users in the fall following a public beta release in July.
Jun 29, 2016 Apple has officially seeded the fourth developer beta for both tvOS 9.2.2 and OS X El Capitan 10.11.6. It has also seeded the fourth public beta for testers. Both of the new versions of the software are minor updates overall, focusing on behind-the-scenes fixes and improvements. Jan 06, 2016 “Apple today seeded the second beta of an upcoming OS X 10.11.3 El Capitan update to developers and public beta testers for testing purposes, three weeks after seeding the first OS X. Oct 27, 2015 Apple today seeded the first beta of an upcoming OS X 10.11.2 El Capitan update to developers, just under one week after releasing the first OS X El Capitan update, OS X 10.11.1. The new beta can be downloaded through the Apple Developer Center and through the Software Update mechanism in the Mac App Store.
![Beta Beta](/uploads/1/2/5/5/125595656/829991784.png)
The beta 2 update of OS x10.11el Capitan released by apple today mainly improves the running stability of the system, sweeps away some bugs before, and friends who want to experience it can move quickly! Similar to the OS x10.11el Capitan beta 4 previously pushed to developers, this beta 2 mainly improves system performance and. Developers got their talented hands on the betas of OS X El Capitan, iOS 9, and watchOS 2 a couple weeks back at WWDC. On Tuesday, Apple released second version of all three of those developer betas.
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Check compatibility
You can upgrade to OS X El Capitan from OS X Snow Leopard or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008)
MacBook Air introduced in late 2008 or later
MacBook Pro introduced in mid 2007 or later
Mac mini introduced in early 2009 or later
iMac introduced in mid 2007 or later
Mac Pro introduced in early 2008 or later
Xserve models introduced in early 2009
MacBook Air introduced in late 2008 or later
MacBook Pro introduced in mid 2007 or later
Mac mini introduced in early 2009 or later
iMac introduced in mid 2007 or later
Mac Pro introduced in early 2008 or later
Xserve models introduced in early 2009
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with OS X El Capitan, the installer will let you know.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Get connected
It takes time to download and install OS X, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download OS X El Capitan
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of macOS.
If you still need OS X El Capitan, use this link: Download OS X El Capitan. A file named InstallMacOSX.dmg will download to your Mac.
Install the macOS installer
![Os x el capitan developer beta 2 update 2017 Os x el capitan developer beta 2 update 2017](/uploads/1/2/5/5/125595656/247360190.jpg)
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallMacOSX.pkg.
Os X El Capitan Developer Beta 2 Update Windows 7
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install OS X El Capitan.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
Os X El Capitan 10.12
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both OS X and related updates to your Mac firmware.
Learn more
Upgrade Os X El Capitan
- OS X El Capitan won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.