OS X Mavericks (logo, full size)

A little while ago, I encountered a very frustrating issue that had me pulling my hair out for a while. That is, until I finally stumbled upon the fix for the issue.

As a registered developer, I’ve been testing out Mavericks since Developer Preview 3, and I made it a habit of installing every release up until the GM version. The nice thing about the Mavericks betas is that you can grab the updates directly from the Mac App Store without having to completely reinstall the OS once a new beta ships.

That all changed when Apple released a stealth (13A603) GM update a few days ago, which didn’t feature an update in the Mac App Store. Either you needed to completely reinstall with the new GM build, or just deal with the outdated (13A598) GM build until hopefully OS X 10.9.1 places you back on the correct upgrade path.

Sure this was annoying, but it didn’t sound like a huge deal to me until I wanted to download Mavericks this evening in order to make a USB install key, and was continuously met with an error message.

The error in question was as follows:

OS X v10.9 is already installed on this computer. Use the Updates page to install the 10.9 update or if you would like to download the full OS X installer click Continue.

After clicking continue, nothing happened. No download, no nothing.

After fumbling around for hours, I think I finally stumbled upon the fix for the issue. For some unknown reason, I had a previous Mavericks beta release hidden from the normal list of purchased items. Going to Store > View My Account > and clicking the Manage link under the iTunes in the Cloud section revealed the unexplained hidden Mavericks beta. Clicking Unhide and then Done was the trick needed to fix this issue.

After doing that simple task, I could now download Mavericks like normal. Now I can finally get to making my USB install key like I planned.

I still can’t exactly explain how the Mavericks beta appeared under hidden items, but I figure I must have accidentally clicked the ‘x’ icon next to the item in the Mac App Store’s Purchases section.

So, anyway, the moral of this story is to unhide the hidden Mavericks file in order to fix the “OS X v10.9 is already installed on this computer” error message.

Was this able to help you out at all? If so, let me know in the comment section.

  • Brandon Lee Robinson

    I just downloaded it anyways, and ran the installer on top of it. Installation went smooth.

    • nftnft

      I was on OX Mountain Lion and I tried to install Mavericks and at the first try it was telling me that my hard drive was damaged and couldn’t install it, therefore I was
      to supposed to either restore my computer with a back up or just reset
      the whole thing. I freaked out a little because I never backed up my
      stuff and then after restarting my computer, it would tell me that it
      couldn’t gather enough information to restart my computer, so it just
      went back to the OS installer. After restarting my computer a few times,
      all of the sudden, there was the drive on the screen and I tried
      installing it and it did with no problems. My computer works fine now,
      but it scared me a little. I hope no one else is having the same problem
      that I had. >.<

  • Siddharth Desai

    Jeff. I had the same issue. However, when I clicked continue, the download actually started for me.

    • Jeff

      Weird. It didn’t work for me at all until I unhid the Mavericks. I tried no less than 40 times.

      • Rob_Huska

        Hey Jeff, do you think you could write a tutorial on how to make a a USB instal key? I’ve wanted to do this, but never knew how. Thanks!

  • Quang

    When I clicked Continue, it started downloading.
    What is the build number of the final version Apple released today?
    Do I need to reinstall with the final version?

    • Siddharth Desai

      Final Version is 13A603.

      • Quang

        thanks

  • Laxmi Adhikari

    I just downloaded it. My screen went completely white. There nothing chomping up. What should I do ?

    • Siddharth Desai

      Reboot your Mac and hold down ‘option’ key. Do an Internet Recovery. You will loose all of your data this way though.

  • ZeRoLiMiT

    can’t get mine to work πŸ™

  • Dharmil

    Strange.

    Going to Store > View My Account > and clicking the Manage link under the iTunes in the Cloud section doesn’t show anything for me.

    Also updating directly from Store doesn’t help either.

    • Ridvan Ermis

      same problem! Jeff little help here plz..

    • Ridvan Ermis

      Same problem here,, Jeff little help here plz..

      • Tobias Heinloth

        you don’t have hide some apps from the mac App Store. You can hide one, after that is the option there, but for me there are no beta*s

      • DNK

        Same issue here. UGH.

      • tyler

        same

    • Paulp3330

      Same problem here

  • Preston FaGalde

    i can’t even find the iTunes in the cloud section it just gives me apple id summary, and manage, which just shows my subscriptions…

    • bossngex .

      same problem here…

  • iKuwait

    me To i Cant download and iTunes in the Cloud section doesn’t show anything for me

  • Joel Sandoval

    I don’t see anything here :/

  • lebaronlouis

    It worked for me. I installed it from the App Store. It told me that I already got it but I clicked continue and it downloaded. Then I started the installation from the Launch Pad…

    • Dharmil

      Let us know how it goes.

      Especially the data is retained or not after the update.

  • Guest

    I’ve just found a way for updating from GM to Final version.

    Well I downloaded Mavericks from torrent, i tried everything to update final version. And finally this way is working!!!

    1) launch Mac App Store and leave it alone
    2) launch finder go to system/library/core services and open SystemVersion.plist
    3) try to change something in system version and it’s going to say you have to create another file. click on OK.
    4) open new file. change version to 10.8 in the 2 bottom lines.
    5) now save it. your new file will be in documents. copy it
    6) go back to Core Services. change original SystemVersion.plist file to whatever you want. then paste you new file here( don’t forget to rename it as SystemVersion.plist)
    7) go to App Store. click on the ”BIG MAVERICKS BANNER ON THE TOP” then click free.
    8) it will ask you to enter your id information.
    9) it should start downloading.
    10) when it starts to download, quit from App Store.
    11) replace systemversion.plist file with original one. otherwise App Store won’t launch
    12) when you’ve done. relaunch App Store and you can see mavericks in purchased section!

    • kalvinandhobbes8

      you’re amazing. Thank you so much!

      • jonathantneal

        This works. If you’re familiar with terminal, keep it simple:

        In Terminal, run: sudo nano /System/Library/CoreServices/SystemVersion.plist

        In Nano, edit both 10.9 strings to read 10.8. Save the file, leaving Nano open.

        In App Store, start downloading Mavericks.

        In Nano, undo your edits. Save the file.

      • John AndrΓ© Durcan

        YES YES YES! Finally. Now I can grow my hair back.

      • Juan Miguel Sepulveda

        Thanks! I did it in this way

      • Zain Ahmed

        thanks!! worked perfectly

      • Wonderful! Thanks so much for this fix. Thanks everyone for sharing their suggestions and possible solutions!

      • TrevorAnneDenise

        Thank you ! That worked ! And thank you “Guest” too !

      • kfalconer

        For me this also worked, however, you need to have the App Store open before and while changing the file, otherwise it won’t let you open the App Store, saying that it needs version 10.9 to run.

      • jorisw

        My App Store crashes on launch if I try this. Crash report says: Application requires at least Mac OS X version 10.9.0 (10.9), but is being run on 10.8.0 ( 10.8/13A598), and so is exiting.

      • Grac Donarski

        I followed the instructions but in the and I’m getting this message anyway:

        We could not complete your request. There was an error in the App Store. Please try again later. (null)

        Any ideas?

      • Grac Donarski

        Ok. Nevermind. Got it working. I had to set up the three security questions first. Favorite childrens book etc… Clicking cancel will give the error message.

      • Larstommie

        Thanx so much..worked like a charm

    • OlDirty

      Really really great! Thank you!

    • Paulp3330

      Works like a charm, thanks

    • Juan Miguel Sepulveda

      Who ever you are, you’re a hero! Thanks!

    • Thanks bro…you saved us all!

    • MacGuru16

      I LOVE YOU.

      Haha, thank you very much. I was scouring the inter webs yesterday, but to no avail. Then this is the first thing I came across today, and lo and behold, it worked! You’re awesome.

    • Mat Speedle

      Worked perfectly! Thanks for the guide it’s been driving me nuts since Mavericks Launched! πŸ™‚

    • when i try to click on the mavericks banner (7) it shows me a blank page… can you help me?

    • Steven Xu

      It works! Thank you so much!

  • Guest

    I’ve just found a way for updating from GM to Final version.

    Well I downloaded Mavericks from torrent, i tried everything to update final version. And finally this way is working!!!

    1) launch Mac App Store and leave it alone
    2) launch finder go to system/library/core services and open SystemVersion.plist
    3) try to change something in system version and it’s going to say you have to create another file. click on OK.
    4) open new file. change version to 10.8 in the 2 bottom lines.
    5) now save it. your new file will be in documents. copy it
    6) go back to Core Services. change original SystemVersion.plist file to whatever you want. then paste you new file here( don’t forget to rename it as SystemVersion.plist)
    7) go to App Store. click on the ”BIG MAVERICKS BANNER ON THE TOP” then click free.
    8) it will ask you to enter your id information.

    • James ζ–½ε­Ÿιœ–

      should I put the original file back?

      • Mert B.

        yep

    • Guest

      it worked for me… thanks a lot.

    • Jet Moncada Jandoc

      this worked for me… thanks a lot for the tip. πŸ™‚

    • Paul Waggoner

      STUD!

    • Cyclotron351

      Strangely, although I similarly have the GM Seed stuck at 13A598, with no way to d/l the final 13A603 – and even this lovely trick doesn’t work for me. On using 10.8 on both ProductVersion strings – I just get AppStore quitting repeatedly with this failure EXC_CRASH sigabrt abort() called

      “application requires at least Mac OS X version 10.9.0 (10.9), but is being run on 10.8.0 ( 10.8.0/13A598), and so is exiting”

      lucky that none of you seem to have this severe level of version control in your Mavericks, my App Store is “Version 1.3 (201), Build Info: Firenze-201000000000000~61” on a Mac Pro, I suppose I have to blame the NSA for giving me a tailored version of Mavericks!??! πŸ™‚

  • Mert B.

    Hello!
    I’ve just found a way for updating from GM to Final version.

    Well I downloaded Mavericks from torrent, i tried everything to update final version. And finally this way is working!!!

    1) launch Mac App Store and leave it alone
    2) launch finder go to system/library/core services and open SystemVersion.plist
    3) try to change something in system version and it’s going to say you have to create another file. click on OK.
    4) open new file. change version to 10.8 in the 2 bottom lines.
    5) now save it. your new file will be in documents. copy it
    6) go back to Core Services. change original SystemVersion.plist file to whatever you want. then paste you new file here( don’t forget to rename it as SystemVersion.plist)
    7) go to App Store. click on the ”BIG MAVERICKS BANNER ON THE TOP” then click free.
    8) it will ask you to enter your id information.

    • Zudeo

      Thanks man! I’m downloading it now!

      • Mert B.

        pls enjoy πŸ™‚

    • Ruslan Botsyurko

      Thank you very much, you saved my day sir! πŸ™‚

      • Mert B.

        enjoy πŸ™‚

    • daijie

      it works for me

      • Mert B.

        nice to hear, enjoy!

    • pepegzz

      Thanks!! Worked perfectly!!

    • mingming1222

      Thanks very much !!!

    • PeterMZanetti

      Unfortunately it didn’t work for me. I followed the instructions exactly, but when I click download, it asks for Apple ID, with the user name field greyed-out and an email address I’ve never seen before in my life hardcoded in the user name box. Strangest thing I’ve ever seen!

      • Mert B.

        Peter,
        you must delete Mavericks Installer in Applications Folder.
        Try again πŸ™‚

      • Dharmil

        I am having same problem as Peter. Could you please elaborate this – Delete Mavericks Installer in Applications Folder?

      • Sean Geezz

        Whichever installer you used to install the GM, delete that and try to download again, should work!

      • PeterMZanetti

        Thank you that did it for me! Brilliant.

    • titietrominet

      Thank you so much man !!! I didn’t find anywhere else that “trick” πŸ™‚

    • OlDirty

      Really really great! Thank you so much!

    • Dharmil

      Thanks a lot. Really appreciate your help over iMessage. You made my day πŸ™‚

  • kahlil velayo

    Works well for me, i was thinking its gonna be a long day to download it. Its a 5+ gig data. And suffering from slow internet. After i finished download, now its ready for installation. Its another 45min of waiting. Well grab some anything to eat…no prob at all during and after the installation.

  • Amenic RS

    Worked for me. Thank you!

  • Alex Cal

    its not hidden but it wont let me uprgade i have gm seed

  • Mert B.

    I’m so angry,

    I wrote this tutorial and my original post deleted by admins! somebody tell me why?

    I’ve just found a way for updating from GM to Final version.

    Well I downloaded Mavericks from torrent, i tried everything to update final version. And finally this way is working!!!

    1) launch Mac App Store and leave it alone
    2) launch finder go to system/library/core services and open SystemVersion.plist
    3) try to change something in system version and it’s going to say you have to create another file. click on OK.
    4) open new file. change version to 10.8 in the 2 bottom lines.
    5) now save it. your new file will be in documents. copy it
    6) go back to Core Services. change original SystemVersion.plist file to whatever you want. then paste you new file here( don’t forget to rename it as SystemVersion.plist)
    7) go to App Store. click on the ”BIG MAVERICKS BANNER ON THE TOP” then click free.
    8) it will ask you to enter your id information.
    9) it should start downloading.
    10) when it starts to download, quit from App Store.
    11) replace systemversion.plist file with original one. otherwise App Store won’t launch
    12) when you’ve done. relaunch App Store and you can see mavericks in purchased section!

    • Adam Catalyst

      Mert B. you just made my day. Thank-you!

  • Mert B.

    video tutorial :

    www . youtube . com/ watch?v=29W9hgyvwas

  • Braulio Molaguero

    Just edit the SystemVersion.plist file with text mate. Change the two bottom lines to 10.8 and save. I did not duplicate any files or move nothing.

  • Arnold Myint

    I am on (13A598) GM build and I try doing trick of unhiding. But there is no Mavericks on the hidden list. What should I do ? Cannot download the file.

  • screenheroes_net

    Thank you so much! It took me hours to figure out the problem! Your hint solved the problem!

  • Rosendo Sanchez

    I have the GM version on my Mac and went to the App Store to download the new release. I also got the “already installed on your Mac…” message but clicked Download again and the download started and I went through the normal installation procedure.

  • tyler

    lets say if i was not a dev and got dp 5 and now cant update

  • neophyte

    I installed Mavericks GM Developer Preview build 13a598 which I got from someone prior to the official release. Apparently it has been associated with a developer account ID that I don’t know. When I go to the app store to download the latest build it gives me the option to continue and download the new build but prompts me to login using the developer Apple ID that downloaded the installed build rather than using my Apple ID. I am unable to change the Apple ID because the field is disabled. My only option is to type the password. Anyone know how I can change the ID associated with the Developer Preview build? Thinking it must be pulling it from a local file.