OS X El Capitan GM Available Now, Public Release on September 30

Sep 9, 2015 - 60 Comments

OS X El Capitan

Apple has released the GM Candidate build of OS X El Capitan for Mac users participating in the Mac Developer Beta and OS X Public Beta programs. Additionally, Apple has announced that OS X 10.11 El Capitan will be available to the general public on September 30 as as free download.


GM is short for Golden Master, indicating it is the final build in a software production cycle that will be released to the public.

In this case, the final build of OS X 10.11 arrives as 15A282b, and the download is available now from the Mac Developer Center, as well as the Software Update function of the App Store. The update download is about 2GB and requires a reboot to complete installation of.

OS X El Capitan 10.11 GM

The GM update is rolling out now for Mac users in the developer beta program and OS X 10.11 Mac Public Beta.

Downloading OS X El Capitan GM Candidate Installer

You can find the OS X El Capitan GM Candidate installer available to download through the “Purchases” tab of the App Store as seen here:

OS X El Capitan GM Candidate download

The OS X 10.11 GM Candidate install app is 6GB. If you’d like to make a bootable install drive of OS X El Capitan GM as shown here, you’d want to download the installer application to do so.

If you don’t find the update available in the Mac App Store, and it’s not shown under the “Purchases” tab, you can try refreshing the Updates tab, or using this trick to unveil the missing OS X beta updates by updating the catalog URL. Otherwise, you’d likely want to log into the Mac Developer Center and redeem a new download code from Apple.

OS X El Capitan Public Release Date is September 30

The general public will have access to OS X El Capitan as a free download on September 30.

Apple announced the release date in a creatively sneaky fashion, hiding it as an email in their keynote unveiling of the newly released Phone 6S as seen in the image below, and later clarified the download date on their website.

OS X EL Capitan release date unveiling in iPhone 6s

Developers can also find iOS 9 GM available to download now, alongside iOS 9.1 beta 1 for their iPhone, iPad, and iPod touch.

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Posted by: Paul Horowitz in Mac OS X, News

60 Comments

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  1. hkalant says:

    The official date is also available on Apple’s website: http://www.apple.com/osx/.

    Can’t wait for September 30.

    • John says:

      Running the OS X El Capitan GM right now, it’s good! Much better than OS X Yosemite was on first release, I must say. Very nice, it feels like a bit like Mac OS X Yosemite Service Pack 1, refined, faster, better UI, better font, but otherwise nothing new or different. I’m sure there are little things here and there, but you know what I mean.

  2. Owen says:

    Have you found the download of OS X El Capitan GM in the App Store for public beta users yet? Mine has not shown up yet, I know I should wait a few hours but I am impatient heh.

    • Ama says:

      As they said it in the email: “Go to your Purchased tab in the Mac App Store and click the Download button next to OS X El Capitan GM Candidate.”

    • Keith says:

      I have the same problem. I’ve been in the public beta program for El Capitan from the beginning, but the GM candidate has not shown up in my purchases. Same for the iOS 9 GM candidate.

  3. Richard says:

    Well done Apple, let’s hope all the bugs have been ironed out. Can’t wait for 30 September either.

    • Steve B says:

      This last public beta version of El Capitan has been rock stable and fast for me. Knock on wood, no problems with it yet.

      • Fnordmeister says:

        A name like “Golden Master” sure temps the computer gods to do their worst, though …

        • patr1ck says:

          Yea and note that it’s “GM Candidate” which almost guarantees there will be a GM 2, GM 3, before final release! Still in beta, but Apple calling it GM. Then when it is ‘final’ we all know the real public beta begins…

          hehe

          ;)

          • Kevin says:

            No, you obviously don’t understand the progression from Alpha to Beta to Gold Master. Gold Master is not a Beta, it is finished ready for public release. They may change the build before the release date but it is not Beta software.

  4. cashxx says:

    Here the heading is posted, but the download links say Coming Soon….

  5. adam says:

    What’s the catalog URL of this release?

    • bogmonster says:

      Checking Software Update catalog URL (from GM candidate 1 installer)

      https://swscan.apple.com/content/catalogs/others/index-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog

      may need .gz on end

      • Rcardo says:

        Correct, but it seems you have to download it separately.

        sudo softwareupdate --set-catalog https://swscan.apple.com/content/catalogs/others/index-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz

  6. YJ Chua says:

    Looks like they pulled the update first, and then re-released it but with an earlier build (15A282a).

    At least, that’s what I got when I downloaded the GM off the purchases tab in the App Store.

  7. Wharf Xanadu says:

    The GM is back online downloaded it now will install tomorrow. GM 1.

  8. John J Rambo says:

    How is the Terminal code for creating a bootable Usb stick with El Capitan Golden Master?

    The one from the Public Beta doesn’t work.

    http://osxdaily.com/2015/06/11/make-bootable-os-x-el-capitan-beta-install-usb-drive/

    • John J Rambo says:

      Ok i find it out:

      i have named the El Capitan app from the app store “Capitan GM Candidate.app”:

      sudo /Applications/Capitan\ GM\ Candidate.app/Contents/Resources/createinstallmedia –volume /Volumes/ElCapInstaller –applicationpath /Applications/Capitan\ GM\ Candidate.app –nointeraction

      And it works

  9. Max says:

    so i am still on yosemite. should i install the gm or wait for the final?
    can i. easily “update” from the gm?

    • Rory says:

      Good question Max, can you easily update from the GM to the final release on 30 September? Does anyone know?

      • John says:

        Yes this is GM Candidate 1, so if another OS X 10.11 GM Candidate 2 appears, then it should appear as a software update through the App Store. That’s how it should work, anyway.

  10. Benny says:

    Is it possible to change the directory view in Mail to the old one of Yosemite? I don’t know why apple changed it here, but it is more complicated and need much more space ..

  11. Andrew says:

    Installation problem El Capitan GM. Just downloaded the GM from the purchase tab. It started to install. After about 20 min I had to log in with my Apple ID. Now for another 15min it seems it is still logging in…. What to do?

  12. Pixelgraph says:

    Currently viewing the GM page while using the GM. It works very nicely.

  13. BuffyzDead says:

    Help Please
    I have been a longtime Public Beta user, providing feedback, and experiencing minimal issues

    Now,
    Who I go to the purchased tab, to download the GM Candidate release, the DOWNLOAD button has changed to DOWNLOADED and is Greyed Out, not allowing to be clicked.

    Tried logging out and back into the store, no change.
    Any help, please?

  14. vaa says:

    sudo /Applications/Install\ OS\ X\ El\ Capitan\ GM\ Candidate.app/Contents/Resources/createinstallmedia --volume /Volumes/ElCapInstaller --applicationpath "/Applications/Install OS X El Capitan GM Candidate.app"

    • Paul says:

      This works to create an installer USB volume for GM candidate 1, assuming target volume is named “ElCapInstaller”:

      sudo /Applications/Install\ OS\ X\ El\ Capitan\ GM\ Candidate.app/Contents/Resources/createinstallmedia --volume /Volumes/ElCapInstaller --applicationpath /Applications/Install\ OS\ X\ El\ Capitan\ GM\ Candidate.app --nointeraction

  15. John Merrill says:

    The GM never showed up in update section of the app store so I downloaded from the purchase tab.

    SMBUp would no longer open. I tried all the usual things — no luck. Maybe Samba is now broken? So I restored Beta 6 from my last backup. (I need SMB for my Chromebox/OpenELEC setup.)

  16. David1 says:

    Seem OsxDaily BAN my yesterday post about “RootLess” feature in El Capitan…

    Well, nice classy lesson of democracy…about a REAL FEATURE of this new OSX.

    I am not out when i was saying “Welcome the Jail” !

    • Paul says:

      David1,

      I’d be interested to hear what your post was about rootless. I assure you, we didn’t ban any post, it was probably filtered automatically by the spam filter for using bad language or too many links. The only posts we manually intervene with to ban or edit are the spammy or offensive ones that get through the filter.

      If you want to try posting it again please do, perhaps cut down on excessive links if there are some, or you can send it in via email if it’s a tip osxdailycom@gmail.com

  17. Total Newby says:

    Why does my El Capitan install show up as OS X 10.11 (15A282a) instead of 15A282B as shown above? I downloaded it from the App store purchased tab this afternoon…

  18. Chris says:

    I have already installed the latest build for El Capitan. But why do I have to download a whopping 6 gigabytes? Isn’t it supposed to be only 2 gigabytes or something? Someone please clarify for me what exactly I’m downloading in this update.

    • icehouse says:

      The 6GB download is the OS X El Capitan GM installer

      • Chris says:

        So is this an upgrade from the latest beta build?

        • Patrick M. says:

          No, it’s the complete, final build.

        • AJL says:

          You can use it to upgrade from the latest beta build, but this is not an update for the beta this is a release candidate which in other words with this you are looking at the possible public release build that we’re gonna get by the end of this month.

          The reason it’s a 6GB file it’s because many things have to go out of beta and have to be patched as a stable build. I would suggest doing a clean install if you’re planning to use the GM or wait for the final release on September 30.

          • Skip says:

            I have been using the Public Beta version for a few months now. My question is: on September 30th, if I leave the Public Beta program, will El Capitan just “continue” or do I have to do a clean install? Thanks in advance

  19. LimboLens says:

    Can somebody please tell me the amount of space El Capitan will take on my MacBook Pro with 128GB SSD? I’ve installed it and I’m still running out of space. I would also love to do a format and clean install, but that to, seems impossible to find accurate information on how to accomplish. Thanks!

  20. Scott says:

    On Public Beta 6…GM is in the purchases tab..if I upgrade to the GM…will I lose my all my data? Just was caught off guard that it wasn’t in the upgrade tab.

  21. hkalant says:

    It seems that we will have to wait one more day for the official release of El Capitan. While this page used to mention that El Capitan is coming “this fall”, now it says “this spring”. It seemed a little odd, so I clicked the “Get a preview” page and it says “Coming 1 October”.

    Weird, isn’t it?

    • hkalant says:

      I guess I made a mistake. Without realising it, the country changed to “Australia”. So these days are referring to the release in Australia perhaps? Who knows.

  22. Richard K Ross says:

    I installed the GM on my iMac and have noticed only one problem. In Safari, watching PureFlix movies, the movie stopped after a few minutes. I tried again and received the same issue. Had to use Firefox to watch the complete movie without any problems. Netflix does not give me any problem, so, perhaps it is just a streaming issue with PureFlix. I did submit the logs to Apple. Otherwise, I like being able to have the top bar and dock hidden so I can view my apps in full screen mode. El Capitan is faster and I am waiting for September 30th to install on my other Mac’s.

  23. MBA2011piss says:

    ever expect GM version better,but,some more new UI bugs,hah hahahah,i wonder if my machine doomed or what…. god b… apple!

  24. LimboLens says:

    I’ve installed the GM on my iMac. Now the 2 Seagate External Hard Drives I had attached are now NTFS. Which they weren’t pre-install….which now they are read only drives, with ownership disabled.
    I also, do not have a “lock icon”, after hitting “get info”, and yes I’m an admin on the machine.

  25. relaxat says:

    installed El capitan, i have Office 365 and installed Office for Mac 2016, now after 5 min of working on it it stops working, i have also the previous version of Office and the same is happening. please help!

  26. Radhika says:

    Hi! I have the El Capitan beta installed on my MacBook Pro and I want to install the official release (and leave the developer program) when it comes out on the 30th? What do I do on that day?

  27. Tenzin says:

    Sadly, the true small caps function via typo panel of opentype fonts (not delivered with OSX) still doesn’t work.

  28. Frank says:

    Since my update today to OS X El Capitan my USB is not visible anymore in Finder. What can I do?
    The USB worked fine before the update and still works on other computers.

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