Downgrading from yosemite to Mountain lion

I have Yosemite installed on my Mac Pro. I purchased a copy of Pro Tools 10. When I try to install PT10, it says "Mac OSX 10.6.7 and above required to install," I hit INSTALL, but it won't let me install, and tells me an error occurred.
Since Yosemite is OSX 10.10.2, higher than 10.6.7, I'm assuming Yosemite is the problem. I have another drive that I can install PT10 on. So I guess I need to install at least OS X 10.6.7 on that drive, boot up on that system drive, and it should then let me install PT10.
I'm trying to find the easiest way to get a copy of the OSX 10.6.7 installer. If I am a registered user of the latest Mac OSX, can I download an older OSX installer free from Apple? Or do I have to find my old install disk?
Thanks in advance for your help!
Leonard

Eric,
Well, I have PT8.5 LE and I upgraded my Mac Pro to Yosemite, and most of the plugin dialog windows are empty (3rd-party and built-n), just gray, or have ghost buttons that I have to click around the gray box to find settings. It was actually doing the gray box thing before Yosemite, maybe even before Mavericks. Can't remember what OS X update made it do that. I also like some of the features that I've seen on a friend's PT10 in his studio. So I'm updating to a point where everything works okay and I can enjoy new features. I found a PT10 used for real cheap on Amazon, so I'm trying to upgrade without shelling out $680.
I found my old OSX 10.6 disc and have successfully installed PT10 on a second drive that has 10.6.8 on it now. The PT10 disks did not come with any serial or activation code. I set up an iLok account and sent Avid a request for info on how to register and make it mine, and have everything legit. Don't know what is involved. Hopefully I can work it out. My PT8 just needed activation code. I use a digi002 as interface. I hope there is no problem. If there is, I'll just reinstall PT8.5 on the 10.6.8 drive and at least have dialog boxes that show the buttons! Lol!
Why do you ask about needing PT10? Is that not a good version?
Michael

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Downgrade from Mavericks to Mountain Lion

I am considering to downgrade from Mavericks to Mountain Lion, and understand I would loose the maps app and some features... but is it worth it it so I dont have to continuously reboot my mac, so I can use a program every time ?
The problems I am having with mavericks, even when I have done a few tweaks , is that after running a few programs such as mail, safari, garageband first and then loading photobooth... photobooth or any video app tends to lag , and the video is recorded lagging. A reboot fixes this if i start the program after reboot and not run any programs before.
Another issue is when I am doing my artwork, drawing in photoshop or manga studio... the pen tablet begins to lag as well, so I would have to save my work, reboot and then continue working until Mavericks starts misbehaving again.
This mac had its drive wipped clean before It became my personal mac, and I requested Mountain Lion, since I prefered it, but Mavericks was installed.
I dont mind Mavericks... its just this rebooting to fix or refresh system... is getting annoying when I need to get some artwork done.

Hi qldfirey,
I'm sorry to hear that you have had issues trying to work with your Officejet 8600 since upgrading to Mac OS X 10.9.
I have included a link to the full feature software for your Officejet 8600 printer in Mac OS X 10.9. If you still have the driver from your previous operating system loaded on your Mac please uninstall the printer before installing with the updated driver. I have included a link with the steps to uninstall.
Officejet 8600 Mac OS X 10.9 Full Feature Software Driver Download
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=oj-125213- 1&cc=us&dlc=en&lc=en&os=4159&product=4323659&sw_lang=
Uninstalling the Printer Software
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c02440673
Happytohelp01
I work on behalf of HP

Downgrading from Mavericks to Mountain Lion WITHOUT time machine backup from Mountain Lion.

Hello. I'm one of the unlucky owners of Macbook Retina 15" Mid 2012. I was very satisfied with this computer, everything was great, untill I installed OS X Mavericks. My computer started to have GPU Panics all the time under some "heavier" usage like watching long videos on YouTube. I googled this problem and then I saw that I wasn't the only one, many people had problems after upgrading to Mavericks. I also read that downgrading to Mountain Lion solves the problem, but after the Internet Recovery update, when you are restoring your mac, it restores as Mavericks. I read Apple instruction how to revert os x, but it requires Time Machine backup from Mountain Lion, I already downloaded ML Installer from AppStore but I don't know how to install it.
Greetings,
Mdkn

If you have a Mountain Lion installer application then you can downgrade, but you will have to erase the drive. You should try backing up your Home folder in advance so you could at least restore your data. You will need to reinstall any third-party applications.
Make Your Own Mavericks, Mountain/Lion Installer
After downloading the installer you must first save the Install Mac OS X application. After the installer downloads DO NOT click on the Install button. Go to your Applications folder and make a copy of the installer. Move the copy into your Downloads folder. Now you can click on the Install button. You must do this because the installer deletes itself automatically when it finishes installing.
   2. Get a USB flash drive that is at least 8 GBs. Prep this flash drive as follows:
Open Disk Utility in your Utilities folder.
After DU loads select your flash drive (this is the entry with the mfgr.'s ID and size) from the leftside list. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID then click on the OK button. Click on the Partition button and wait until the process has completed.
Select the volume you just created (this is the sub-entry under the drive entry) from the left side list.
Click on the Erase tab in the DU main window.
Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
Click on the Erase button. The format process can take up to an hour depending upon the flash drive size.
            3. Use DiskMaker X to put your installer clone onto the USB flash drive.
Wait for the process to complete which will take quite some time.
Use your new installer flash drive to boot the computer. Boot by doing:
Boot Using OPTION key:
1. Restart the computer.
2. Immediately after the chime press and hold down the
      "OPTION" key.
3. Release the key when the boot manager appears.
4. Select the disk icon for the USB flash drive.
5. Click on the arrow button below the icon.
Partition and Format the hard drive:
Select Disk Utility from the main menu and click on the Continue button.
After DU loads select your newly installed hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed. Quit DU and return to the main menu.
Reinstall Lion/Mountain Lion. Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button. Be sure to select the correct drive to use if you have more than one.
You will need an active Internet connection.

Downgrading from Mavericks to Mountain Lion

So currently I'm not satisfied with having Mavericks OS X on my macbook, particularly because of the gradually decreasing disk space that happens each time I turn on my macbook. I've attempted to clear caches like the IconServices in order to make space, but more space is gradually depleted, especially when I use third-party software like VueScan, which I find essential to my lifestyle. I wish to downgrade from Mavericks back to the Mountain Lion OS I initially had when I received macbook. Before I do, I need to ask the following:
1) Will I need to buy a new set of the OS software, or will I be able to perform a downgrade through the restart-and-recovery process I've seen posted?
2) Should I backup my drive? If so, what would you recommend I use? (PS. I did not perform a backup before upgrading to Mavericks)

TheArashi wrote:
can I clean install Mountain Lion instead if I choose to do this?
If you use Internet Recovery (Command + Option + R during restart; hold until you see a spinning globe and progress bar) - it'll take a while to connect to Apple's servers - up to 15 minutes. In any case, once you're there, you'll see a Utilities window. Choose Disk Utility and choose to erase your drive (or course, back up your stuff first!). When that is done, back to the Utilities window and choose to install Mac OS X. If yours came with mountain lion, that is what you should be getting as internet recovery/erasing the drive will result in reinstalling the original OS version. Be sure not to erase your hard drive until after you're booted into recovery and are at the Utilities window.

Needed to downgrade from Mavericks to Mountain Lion to address slowness on older Macbook, now I can't open documents or use my iWorks.

Hello everyone,
Recently went in to the Genius bar to pay to fix some aesthetic physical damage on my 2010 Macbook (Applecare expired) and while I was there I asked about some slowness I'd been experiencing but couldn't explain. My helper recommended that I switch from Mavericks back to Mountain Lion due to the amount of memory required by Mavericks. I did that, and it did fix the slowness issue, but now I'm not able to open my saved documents or use Pages. May be affecting other applications too those just happen to be what I use most frequently.
When I try to open a document it says I need "a newer version of Pages" but I apparently cannot run the newer version of Pages because it says it requires 10.9 or later.
Help, please? I really need access to my documents.

Try one of these programs. Then save in another format and attempt to open in Pages.
LibreOffice
OpenOffice
Office Alternatives - Free

Should I downgrade from Maverick to Mountain Lion 10.8?

Hello!
Your comments are welcome regarding my concern about Maverick downgrading to Mounain Lion. here's my case.
I just upgraded to Maverick and now I notice that as per my temperature monitor app it shows a high readings ranging from 70-85 C above.
(MPlayer, MSWord, MSExe, Safari are all open) Im doing this always and not having this reading not until I upgrade my OSX to Maverick.
I am not comfortable on high temp in my unit because as per my understanding that will speed up the wear and tear of the machine.
I'm also having a suspicion if my Temperature Monitor might not showing the right reading because maybe its not compatible to the new OSX.
But I feel that Maverick has lot's of hidden issues for old MBP's like me (btw I'm using 2011 15 inch) so I am now thinking to downgrade to 10.8 Mt. Lion
My follow-up question is how to do that? Please share some links to guide me.
But if this issue can be fix I will stay using Mavericks.

Before giving up on Mav's "which is actually pretty great for laptops", do a little housekeeping.
1) look at activity monitor and see if something is using a bunch of CPU, things like mdworker and the like are reindexing your drive which can take hours. If it is something else, seek help for that.
2) repair permissions after upgrading so make sure system file access is not impaired
3) boot in safe mode at least once to flush dynamic linker cache (hold shift key at startup chime, when you get to the login prompt, just reboot again but in a normal fashion).
4) reset PRAM (hold command-R-Opt-P at startup chime)
5) let your TM backup have the time it needs to finish, the first time after an upgrade can be long, just give it time
If after a day or two you still dislike Mav's, then you can reformat your SDD and reinstall ML. If TM has been updated by Mav's then use a ML clone to bring over settings, data, & apps. I have tried this and it works. I have not tried to migrate from a Mav's updated TM from a ML install. That seems a bit problematic to me but apple may have made provisions for this to work...I don't know.

HT4007 Downgraded OS from Mavericks to Mountain Lion, how to get Aperture to work on Mountain Lion?

Downgraded OS from Mavericks to Mountain Lion, how to get Aperture to work on Mountain Lion? My iMac (Intel) is older and Apple told me this model doesn't handle Mavericks well, recommended I step back to Mountain Lion, which was where Aperture was originally used. Aperture was upgraded when I installed Mavericks, need to go back to older version. How?

Erase disk drive
Restore backup made prior to upgrade
Allan

I have to downgrade from Yosemite to Snow Leopard because of compatibility issues with some of my software. Can I use PS Elements 12 with snow leopard?

I have to downgrade from Yosemite to Snow Leopard because of compatibility issues with some of my software. Can I use PS Elements 12 with snow leopard?

PSE12 became a 64 bit app for the first time on Mac. The recommended system requirements are Mac OS X v10.7 through v10.8.
Are you not able to use lion or Mountain Lion?

Iphoto problems after downgrade from Yosemite to OSX 10.8.5

After a successfull downgrade from Yosemite to 10.8.5 Mountain Lion my ( 'old Yosemite' ) iPhoto backup is not compatible with iPhoto reinstall.
Is there a way to repair or fix this problem?
My patience involving the dramatic Yosemite 'upgrade' is tested to the max I need to say.

Welcome to Apple Support Communities
OS X Yosemite uses a newer iPhoto version than OS X Mountain Lion, so it is normal that you cannot use your iPhoto library in Mountain Lion again.
Maybe you will not like what I am going to tell you, but have you tried a Yosemite clean install instead of an upgrade? A lot of users have reported problems with the upgrade to Yosemite, and a clean installation fixes all these problems, because you are going to format the hard drive and install OS X Yosemite as new. I recommend you to try this.

Have down loaded Yosemite over Mountain Lion. Indesign CS 5 is not working and requests Java script CE6. Apple stated Java 10 , but it still does not operate although Bridge works so as Light room and Photo Elements. How do I solve this problem

Have down loaded Yosemite over Mountain Lion. Indesign CS5 does not operate although Bridge, Light room and also Photoshop elements operate OK A sub menu from Indesign request Java SE 6, after a long play with Apple I end up with Java 10 How can I solve this problem rapidly. Pity apple do not test there products before offering them to the public. It costs us. Many thanks Davi E-C

It isn't Apple's job to ensure third party software works with a new OS. But Java 6 is here:
Java for OS X 2014-001

Have just down loaded Yosemite over Mountain Lion, Indesign CS5 does not work ( Am dependant on it) although Bridge , Light Room and Elements operate OK How do I solve this rapidly. Can any one help on this issue. Thanks

Have just down loaded Yosemite over Mountain Lion, Indesign CS5 does not work ( Am dependant on it) although Bridge , Light Room and Elements operate OK How do I solve this rapidly. Can any one help on this issue. Thanks

Sorry to say it, but I think you can see from Bob's response that there's no way to solve this rapidly.
Did you take an image of your Mountain Lion install before upgrading to Yosemite? Roll back to that. If you're not in the habit of taking a snapshot of your system before performing operating system upgrades - get in that habit. If you are dependent on anything at all on hour computer, having a reliable backup method in place is essential. If you don't have a Time Capsule, or some other way to run Time Machine onto a disk that's not in your computer, go set that up yesterday.
If you can't just remove Yosemite and roll back to Mountain Lion for whatever reason, you can partition your drive so that you can install both Yosemite and Mountain Lion on the same drive, and then boot into Mountain Lion when you need to work in CS5. Or you can take your Mountain Lion disc (I assume you have one, no?) and then use it to create a virtual machine in something like VirtualBox to run Mountain Lion from inside Yosemite.

How am i going to downgrade my operating system? i am using os x mavericks right now and i want to downgrade to os x mountain lion

i`m afraid i might lose any file or application from os x mountain lion that is why i wanted to go back to 10.8.5 and stop using 10.9.2.
i dont want to lose any file or move them to any places, what should i do now??

In order to downgrade you must erase the drive, then install the version of OS X that came with your computer. If that is not Mountain Lion, then you will have to re-download Mountain Lion in order to install it. To do that will require repurchasing the code to download Mountain Lion because it is no longer available from Apple.
It would be much easier to resolve what problems you think you have with Mavericks.

Upgrade from 10.8 mountain lion–Should I or shouldn't I?

Greetings. I was ready to upgrade from 10.8 mountain lion to Yosemite but see all of the issues once upgraded that many have had. Now second guessing. Should I or shouldn't I? Is it worth it? I am a graphic designer and use for business as well as using all adobe products. I have a 27" iMac (late 2012) that is running os x 10.8.5 (12F45). Any insight very helpful. Thank you.

Go for it

HT5361 I want to permanently remove years old emails from my IMac Mountain Lion system. How can I do this by year instead of laboriously doing it one message at a time?

I want to permanently remove years old emails from my IMac Mountain Lion system. How can I do so by year rather than slowly removing one message at a time? Many thanks.

Another option is to create a smart mailbox that includes emails with date received before a desired date.
Then, select one message in the Smart Mailbox and cmd-A to select all. Then delete.

How do I get MS Office 2011 to install from DVD on Mountain Lion?

I just did a clean install of OS X Mountain Lion from a prepared bootable SD-Card on a new partition of my harddrive and wanted to install Microsoft Office 2011 using the original disc. But after double clicking the installer icon nothing happened besides the rainbow colored spinner showing up and disappearing shortly after and my optical drive making some noise. Activity Monitor indicated that the process of the Installer application doesn't react so I had to force quit it. I tried it multiple times to install MS Office this way using the disc but the problem persisted, also after a reboot.
So far my system is still in a pretty fresh state since I installed hardly any separate apps yet and the most intrusive one of them is probably merely Sophos. OS X's Installer app worked the way it should when I was installing iLife the day before using the Applications Install DVD that came with my Mac.
When I installed Office 2011 the first time, presumably one year ago on another partition on the same Mac which was running OS 10.6, everything worked fine and the same is true for the time when I upgraded to OS 10.7 (although I didn't install Office again, I just kept everything on the same partition).
So is there anyone out there who experienced similiar problems and can please help solve this problem?

Well, that depends on what you mean when you say "verified". But as I wrote in the first post I was able to install iLife from disc on Mountain Lion without much ado. And just now I tested a DVD with some pictures on it and the disc drive would read and display all photos in Preview.
And given the facts that I rarely use my optical drive at all and that my machine is only little more than a year old, a drive failure seems quite unlikely. But thanks for your response anyway!

Downgrading from yosemite to Mountain lion

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