Can you instal Mountain Lion over Snow Lep?

If I have a Mac that will support Mountain Lion, but one that was never updated to Lion, can I install ML over SL?

Yes.
See this information from Apple.
http://www.apple.com/osx/how-to-upgrade/

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I have just installed Mountain Lion over Snow Leopard, I now can't open Photoshop?

Hi everyone, I have just installed Mountain Lion over Snow Leopard. The installation went smooth and woks well. Now I find that Ican't open either Photoshop CS or Microsoft Word. I upgraded in order to install Lightroom 5, obviously there is now an incompatability, is there a work around?

If that is the original Photoshop CS, and Word 2004 or earlier, then they won't open because Lion and Mountain Lion do not support PowerPC apps. They must be Intel code. Snow Leopard could run them because it included Rosetta, a PowerPC to Intel (and back) interpreter.
You have a few options.
1) Go back to Snow Leopard.
2) Update your apps to compatible versions.
3) If you have Mountain Lion because newer apps require it then:
a) Install Snow Leopard Server (currently being sold by Apple for $20) in a VM such as Parallels, and then run your PPC apps in the VM.
b) Install Snow Leopard on a separate partition and boot to that version of OS X when you need to use those older apps.

I installed mountain lion over snow leopard and my macbook pro 13" taking time for login and logout,

i installed mountain lion over snow leopard and my macbook pro 13" taking time for login and logout.. any solution

Hi JoeyR. Well, according to this link at the Apple Store, OS X Moutain Lion became available in July and I downloaded it for $19.99. I figured I would do that before renewing my Norton security SW. Are we talking about the same thing?
http://www.apple.com/osx/

I had iLife pre-installed on my aluminium Macbook 2009 with OSX Leopard on it. My hard drive broke but got most of the info off it and just installed snow Leopard on to a new drive and then downloaded and installed Mountain Lion over it. Now I don't have

I had iLife pre-installed on my aluminium Macbook 2009 with OSX Leopard on it. My hard drive broke but got most of the info off it and just installed snow Leopard on to a new drive and then downloaded and installed Mountain Lion over it. Now I don't have iLife anymore. How do I get it back?

Welcome to Apple Support Communities
Mac OS X doesn't come with iLife applications, so you have to install them manually after installing Mac OS X.
Insert the Applications disc or Mac OS X Install Disc 2 DVD and install iLfe applications. Then, open  > Software Update, and install the latest update. If you want, you can purchase iMovie, GarageBand and iPhoto in the App Store, so you will get the most recent version

Can I install Mountain Lion 64-bit over top of 32-bit version installed by mistake. M/c is 24-inch mid 2007 iMac with Intel Core 2 Duo (64-bit?)

Can I install Mountain Lion 64-bit over top of 32-bit version installed by mistake. Machine is 24-inch mid 2007 iMac with Intel Core 2 Duo (64-bit?)

Welcome to Apple Support Communities
Mountain Lion is a full 64-bit operating system. Why do you think Mountain Lion is 32-bit in your computer?
To check that you are definitely using a 64-bit operating system, open Terminal (in /Applications/Utilities) and type:
uname -a
Then, tell us what you see at the end after RELEASE. If you see i386, you are running a 32-bit operating system. If you see x86_64, you are using a 64-bit operating system. Also, the processor of your Mac is 64-bit

Have early 2007 MacBookPro, Intel core 2 duo, 2.16 GHz; six mos ago expanded memory to 3GB to upgrade software to Snow Leopard; can I install Mountain Lion on my hardware?

have early 2007 MacBookPro, Intel core 2 duo, 2.16 GHz; six mos ago expanded memory to 3GB to upgrade software to Snow Leopard; can I install Mountain Lion on my hardware?

Supported
Models
iMac (Mid 2007 or newer)
MacBook (Late 2008 Aluminum, or Early 2009 or newer)
MacBook Pro (Mid/Late 2007 or newer)
Xserve (Early 2009)
MacBook Air (Late 2008 or newer)
Mac mini (Early 2009 or newer)
Mac Pro (Early 2008 or newer)

HT4463 I Can't Install Mountain Lion On My Macbook

I Can't Install Mountain Lion On My Macbook White 10.6.8 (Late 2010) . It Goes Throught The Process, And Once It's Downloaded, It Doesn't Say To Restart. I Restart It On My Own And It Still Boots Up To Snow Leopard. I Tried Downloaded It Over And Over Again Five Times, And It Does The Same Thing. Does Any1 Have Any Insight On This Issue?

As a rule the Mac App Store won;t let you buy and download Mountain Lion if your hardware doesn't support it, so the first question is did you get ML from the MAS?
If so then what procedure are you following to install the OS? You wrote that
Once It's Downloaded, It Doesn't Say To Restart.
but downloading is only part of the installation process, what exactly is happening on the system?

Can I install Mountain Lion in my Mac Pro

Can I install Mountain Lion in my Mac Pro? This is my main computer and i only wnt to move forward if I know that it is 100% compatible with OS 10.8. They tell you to look to see when it was built but there is no date that I can see. I'm pretty sure I got it in early 2008 ... Here's the Hardware overview, without the serial number:
Model Name:          Mac Pro
Model Identifier:          MacPro3,1
Processor Name:          Quad-Core Intel Xeon
Processor Speed:          3.2 GHz
Number Of Processors:          2
Total Number Of Cores:          8
L2 Cache (per processor):          12 MB
Memory:          16 GB
Bus Speed:          1.6 GHz
Boot ROM Version:          MP31.006C.B05
SMC Version (system):          1.25f4
Serial Number (system):
Hardware UUID:          449CFA37-8EAE-5A08-9027-1236BC17C747
Thanks much.

Yes, you can.
Upgrading to Mountain Lion
To upgrade to Mountain Lion you must have Snow Leopard 10.6.8 or Lion installed. Purchase and download Mountain Lion from the App Store. Sign in using your Apple ID. Mountain Lion is $19.99 plus tax. The file is quite large, over 4 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.
     OS X Mountain Lion - System Requirements
       Macs that can be upgraded to OS X Mountain Lion
         1. iMac (Mid 2007 or newer) - Model Identifier 7,1 or later
         2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) - Model Identifier 5,1 or later
         3. MacBook Pro (Mid/Late 2007 or newer) - Model Identifier 3,1 or later
         4. MacBook Air (Late 2008 or newer) - Model Identifier 2,1 or later
         5. Mac mini (Early 2009 or newer) - Model Identifier 3,1 or later
         6. Mac Pro (Early 2008 or newer) - Model Identifier 3,1 or later
         7. Xserve (Early 2009) - Model Identifier 3,1 or later
To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.
     Are my applications compatible?
         See App Compatibility Table - RoaringApps.
     For a complete How-To introduction from Apple see Upgrade to OS X Mountain Lion.

How do I install mountain lion over maverick

how do I install mountain lion over maverick

Before the install
Ensure your data (at least all Home folders) is backed up before you install. Hard disks can fail at any time so it is important to regularly backup to an external disk with Time Machine or a third party alternative. Inexperienced users should follow Apple's install advice but experienced users may prefer to do a clean install.
OS numbers and names
OS X 10.4.x - Tiger
OS X 10.5.x - Leopard
OS X 10.6.x - Snow Leopard
OS X 10.7.x - Lion
OS X 10.8.x - Mountain Lion
More about Macs
The Apple History site has specifications for every Mac ever produced: http://www.apple-history.com
Upgrade to Leopard
Those wishing to upgrade to Leopard should be aware that install disks can be expensive. Details: http://lowendmac.com/deals/best-os-x-leopard-prices.html Standard Leopard installers impose several hardware limitations including speed and RAM size but all these restrictions can be overcome. Google for details. Leopard works well at 500 MHz with 1 GB of RAM and many happy users have less than this.
Upgrade beyond Leopard
OSs beyond OS X 10.5.8 require an Intel processor. If in doubt click the apple at the top left of your screen and select 'About this Mac'. This will give you your OS number. Then click 'More Info' to see which processor you have. If it says PowerPC you cannot upgrade to Snow Leopard and above. If you have an Intel Mac it is well worth upgrading to Snow Leopard now and then considering other options after that. You can buy Snow Leopard here: http://store.apple.com/us/product/MC573Z/A
Upgrade to Lion
Information about upgrading Snow Leopard to Lion: http://store.apple.com/us/product/MD256Z/A
Upgrade to Mountain Lion
Information about upgrading Snow Leopard or Lion to Mountain Lion: http://www.apple.com/osx/specs/
Important
Check that your Mac complies with any requirements.
If you are not in the US you should use the Change Country link at the bottom of Apple pages.

Can I install "Mountain Lion" on a Macbook 13" Aluminium Ende 2008?

hallo,
I own a Macbook 13" Aluminium End 2008.
I'd like to use icloud. Can I install "Mountain Lion"?
Thanks.
Netti13

Your Tag states you are running Mac OS X Leopard 10.5.8...
If this is the case... Read on...
The first step in Upgrading... is to Snow Leopard = OS X 10.6.x
It is Not available as a download... It is a Paid Upgrade.
Do this first...
Check that your Mac meets the System Requirements for Snow Leopard...
Snow Leopard Tech Specs
http://support.apple.com/kb/SP575
If so... Purchase a Snow Leopard Install Disc...
http://store.apple.com/us/product/MC573Z/A/mac-os-x-106-snow-leopard
Other countries...
http://support.apple.com/kb/HE57
After the Successful Install, run Software Update to get the latest updates for Snow Leopard.
Be sure to make a Backup of your Current System Before Upgrading...
Next...
Upgrade to Mountain Lion
With Regard to ML... Check here for compatibility of 3rd party Software you may be using... Also note that Rosetta is no longer supported in Lion and Mountain Lion...
http://roaringapps.com/apps:table
You should also consider more RAM... Get the Maximum you can for your Mac...
It is important to get the Correct and Matching RAM
See Here > OWC RAM > http://www.macsales.com
The above site also has videos on how to Install RAM should you need it...

I erased my HD. Now I can't instal mountain lion from my bootable flash drive, and keep getting "installation error. Try again."

I bought mountain lion, made a bootable flash drive.
I booted from it and it went to upgrading right away!
So I stopped it and went to my former recovery partition I erased my HD because I wanted a clean start.
Now I can't instal mountain lion from the bootable flash drive, and keep getting "installation error. Try again."
and there is no 4 choices window.
I don't know what to do.

How did you create the USB install thumb drive? If it was with Disk Utility I have run into this problem and have since used THIS program to make the USB install drive.
As to your problem you only have one option and that is to Reinstall the Original OS X version that came on your computer or if you still have the Lion Recovery Partition use that to reinstall Lion. Or if you system came with Lion and you have No Lion Recovery HD Partition you can boot the system from over the internet and Reinstall Lion.
At startup hold down the Command+Option+r keys until you saa a spinning Globe in the center of the screen. Once that loads Repartition the drive as One partition and then reinstall Lion.

Why I cannot assess deleted Apple mail messages in time machine after installing mountain lion from snow leopard.

Ever since I installed Mountain Lion from Snow Leopard, I cannot retrieve my deleted Apple mail messages from Time Machine. I could do it in the past using Snow Leopard. The effective date for the the non-retrival of deleted messages is the date I installed Mountain Lion from Snow Leopard. Any thoughts?

Keith Montreal wrote:
It was origionally a local folder for things like receipts from the Apple Store, etc
I'm still not sure what you mean . . . is it listed in the "On My Mac" section in Mail's sidebar, like these?
Mountain Lion appears to have given it an icon very much like an Archive box and put the "on My Mac" folder within that "Box" on both the back ups and the new Mail program - in fact it did it 6 times, which was the origional problem.
Can you post a screenshot?
I could restore inbox messages although they came in as a new mail box called Time Machine rather than into their origional mailboxes (there are 7 different addresses)
Yes, that's how Time Machine restores Mail messages, so it doesn't erase the current contents of an existing mailbox. You can then move them into the desired location.

Can I install Mountain Lion on my iBook version 10.5.8?

Can I install Mountain Lion on my iBook version 10.5.8?
If not can I get snow leopard as my current version wont let me download the latest version of Java

No to both questions.
(70984)

Can i install mountain lion on Macbook 4,1

Can I install Mountain Lion on a MacBook 4,1

MacBook4,1 is the Late 2008 MacBook. Mountain Lion is compatible with the Late 2008 Aluminum or Early 2009 MacBook, so you can't upgrade to Mountain Lion. Read > http://www.apple.com/osx/specs

Is it possible ro clean install Mountain Lion over Mavericks on a brand new mac mini

Is it possible to "clean Install" mountain lion over mavericks on a brand new mac mini

Actually evrything I can find states that the last mini to run SL was 2010.
It appears that the 2012 mini's shipped with Mountain Lion and later Mavericks. Link
Also why would the OP need a bootable SL installation media when they want to install ML?

Can you instal Mountain Lion over Snow Lep?

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