Upgrade to Lion or MT Lion?

not saying I won't update to Mav, but if I needed to update, which one..Lion or ML would you your choose?

not saying I won't update to Mav, but if I needed to update, which one..Lion or ML would you your choose?
If you update to Lion or ML, you'll have to call Apple to arrange for purchase, as neither is available directly from the App Store.
Mavericks is FREE!!
Why bother paying for either Lion or ML? In my opinion, Mavericks is clearly superior to both Lion and ML.

Similar Messages

I have a early 2011 Macbook pro 13 inch, I'm running Lion 10.7.4, and i want to upgrade to 10.8 Mountain Lion. Is it safe for my computer or are people experiencing problems with displays and Battery life?

I have a early 2011 Macbook pro 13 inch, I'm running Lion 10.7.4, and i want to upgrade to 10.8 Mountain Lion. Is it safe for my computer or are people experiencing problems with displays and Battery life?
Do Not post stuff about how Airplay doesnt work, because i dont have Apple TV and dont need to hear about it.

If you have an external drive equal to or larger than your internal HD, clone your internal to it with either Carbon Copy Cloner or Super Duper. Test the clone to make sure it's bootable. Then upgrade either one. Try it out first.

Hi i upgrade from lion to mountain lion to day on my mini mac,Since the upgrade i am getting no sound through my HDMI cable which was working fine on lion Checked the midi audio settings and system preferences to out on HDMi nothing no sound whats so ever

Hi i upgraded from lion to mountain lion to day on my mini mac,Since the upgrade i am no longer getting sound through my HDMI cable which was working fine on lion Checked the midi audio settings and system preferences to out on HDMi nothing no sound whats so ever.Any one any ideas?
I use a samsung TV for my monitor via HDMI.Tried all the system Audi setting nothing .Head phone and internal speakers are fine.

Similar issue; Audio was working fine on Lion, now not on Mountain Lion. Have a Macbook Pro early 2011 with AMD Radeon HD 6750M, connected by thunderbolt through a Lacie LBD to a mini-displayport to HDMI adapter (n.b. same problem when not going through the LBD) to a Pioneer VSX 521 AV receiver. For me when I go into audio Midi settings all the volume sliders for the displayport device are greyed out and at zero. But when I click 'configure speakers', it's able to send out the test signals to each speaker. Part of the problem could be that I'm not getting the option to put out 6channel sound, only 2 or 8 channel. Since my system is Dolby 5.1, and I only have 6 speakers, I would have expected the 6ch option to be available. But I imagine there's more to it than that. Elsewhere someone has suggested playing with Remote Interactive over HD on an Onkyo device; I'll see if there's something similar on the Pioneer that can be changed. Any other suggestions welcome.

I have upgraded My leopard to Mountain lion 10.7 via snow leapeard. Now My itunes is not working properly nor I able to install google chrome successfully. Please help me in this occasion. I am facing following messages.

Hello Team,
I have upgraded My leopard to Mountain lion 10.7 via snow leapeard. Now My itunes is not working properly nor I able to install google chrome successfully. Please help me in this occasion.
Also, I am not being able to upgrade Mac OS X 10.7 to 10.7.4 or letest for lion.
I am facing following messages when I open itunes ( I down loaded and install new for 10.7)
Process:         iTunes [463]
Path:            /Applications/iTunes.app/Contents/MacOS/iTunes
Identifier:      com.apple.iTunes
Version:         10.7 (10.7)
Build Info:      iTunes-10702101~1
Code Type:       X86-64 (Native)
Parent Process: launchd [273]
Date/Time:       2012-10-22 23:33:07.226 +0200
OS Version:      Mac OS X 10.7 (11A390)
Report Version: 8
Interval Since Last Report:          4918 sec
Crashes Since Last Report:           2
Per-App Crashes Since Last Report:   2
Anonymous UUID:                      3DE933E2-7A48-4840-91F4-7DC466ED9C26
Crashed Thread: 0
Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Application Specific Information:
dyld: launch, loading dependent libraries
@executable_path/../Frameworks/iPodUpdater.framework/Versions/A/iPodUpdater
Dyld Error Message:
Library not loaded: @executable_path/../Frameworks/iPodUpdater.framework/Versions/A/iPodUpdater
Referenced from: /Applications/iTunes.app/Contents/MacOS/iTunes
Reason: unsafe use of @executable_path in /Applications/iTunes.app/Contents/MacOS/iTunes with restricted binary
Binary Images:
       0x102a96000 -        0x103c36fff com.apple.iTunes (10.7 - 10.7) <0CC47E12-134F-A9E1-7E4F-3EAC797C3050> /Applications/iTunes.app/Contents/MacOS/iTunes
    0x7fff62696000 -     0x7fff626cb1ff dyld (195 - ???) <71093406-21CF-3DBE-A001-802259ED5300> /usr/lib/dyld
Model: MacBook4,1, BootROM MB41.00C1.B00, 2 processors, Intel Core 2 Duo, 2.4 GHz, 2 GB, SMC 1.31f1
Graphics: Intel GMA X3100, GMA X3100, Built-In, 144 MB
Memory Module: BANK 0/DIMM0, 1 GB, DDR2 SDRAM, 667 MHz, 0xAD00000000000000, 0x48594D503131325336344350362D59352020
Memory Module: BANK 1/DIMM1, 1 GB, DDR2 SDRAM, 667 MHz, 0xAD00000000000000, 0x48594D503131325336344350362D59352020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x88), Broadcom BCM43xx 1.0 (5.10.131.36.5)
Bluetooth: Version 2.5.0b13, 2 service, 12 devices, 2 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: FUJITSU MHY2160BH, 160.04 GB
Parallel ATA Device: MATSHITADVD-R   UJ-867
USB Device: Built-in iSight, apple_vendor_id, 0x8501, 0xfd400000 / 2
USB Device: USB Receiver, 0x046d (Logitech Inc.), 0xc52f, 0x1d100000 / 2
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8205, 0x1a100000 / 2
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x022a, 0x5d200000 / 3
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x5d100000 / 2
And Google chrome just keep loading the page for hours and nothing is appear on its browser. But safari and firefox working absolutly fine.
In addition, I have reboot computer as well but it never worked. Please help me in this occasion.
Eagerly waiting for your response on this issue.
Best Regards,

You need to upgrade your copy of MS Office. You're using a version that is 8 years old (at least). You can buy Office 2011, which will work. You could also get a copy of Pages from the App Store, which is cheaper and will open Word files (though not perfectly). Or you could get a free Office clone, like OpenOffice or LibreOffice.

Can not Upgrade Snow Leopard to Mountain Lion due to Bootcamp

This is a long standing problem I had since I bought my Macbook Pro (a purchase now I deeply regret) almost two years ago.
I keep asking around every few months, to see if anyone came up with a good solution. I hope someone can help me this time
When I decided to buy my Macbook pro 10.6.8 with Snow Leopard, Apple said that the macbook would run smootly both in OSX and Windows due to bootcamp dual boot. I was quite happy about that,since my job requires me to use some Windows-only software and I was curious about apple products.
Unfortunately, they fail to mention (or maybe they did not foresee) that upgrading anything on both OSX or Windows would have been a true nightmare. Right off the bat I spent countless hours trying to upgrade my graphic card drivers in Windows. More problems arrived every time a new software/upgrade/driver/OS update was coming up. The final blow was the release of OSX Lion.
With a Bootcamp partition it is not possible to upgrade the OS from Snow Leopard to Lion or Mountain Lion. The reason is because a recovery system can't be created. The only solution I found so far would be:
1) Buy two separate external HD
2) Backup individually OSX and Windows data
3) Re-install OS leopard
4) Upgrade to Mountain Lion
5) Creat a bootcamp partition
6) re-install Windows
7) re-install one by one any software on both OS (Matlab, Ansys, Office .... etc ... etc ... etc... [6-8 hours])
8) Restore all data
9) Wait for next OS release, DO IT AGAIN
Forgive me , but this is absurd. I simply refuse of waste so much time and money
Did anyone have the same problem and found a more cleaver way to solve it?
Thanks!!!!

This was solved some time ago. See the following:
I saw a reference to an Apple bulletin on how to solve the problem if Lion rejects your install AND you have a BootCamp partition.
It seems the issue is that the space at the "bottom" of your available space when Lion installs it's partition is already occupied by BootCamp. The fix was to go into Disk Utility; Select your Hard Drive; Select Partition; Move the bottom of your main partition "up" a bit to create a space for Lion; close Disk Utility; Install Lion; once Lion is successfully installed, go back into Disk Partition and drag the bottom of your main partition back "down" to the bottom of the window.
You need to create a space about 2 GB in size.

System freezes when attempting to upgrade from Snow Leopard to Lion

I hope someone can help me out there. I have downloaded the Lion upgrade install program and built an install disk on my jump drive using Lion Diskmaker 2.0.2, but when I tried to upgrade from Snow Leopard to Lion using the jump drive, the install freezes at 24% and I cannot reboot or anything. It just keeps coming back to the install screen. Any suggestions?

This could be due to a number of causes. If you have the Lion installer application, then I suggest you put it in your Downloads folder. Now do this:
Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
When you've done the above you should now double-click on the Lion installer application in your Applications folder. When prompted click on the Install button. Note that you will not use the flash drive you made as you shouldn't need it. And, this will avoid any issues with a bad flash drive installer.

I have a hdd from late 2009 that I upgraded from leopard to snow leopard to lion to mountain lion. I want to upgrade the hdd to ssd. Do I need to buy a new copy of mountain lion to install on the ssd? If not, then what is the procedure to transfer?

I have a hdd from a late 2009 mbp. I upgraded from leopard to snow leopard to lion to mountain lion. Now I want to upgrade to a ssd. Do I need to purchase a new copy of mountain lion to go on my new ssd? If I don't, then what is the procedure to transfer mountain lion with my 4 user accounts onto the new ssd from the hdd?
I'm confused on if I can use the recovery hd on a thumb drive to install mountain lion on my ssd. Will it be pheasible with so many OS X upgrades? And then how do I get my user accounts onto the ssd from the hdd. Do I use migration assistant? Do I need to make a time machine backup first? Should I use something called Carbon Clone or something like that?
Thanks for reading

If you have a cable that connects and external HDD to the MBP, it will do. If it is something like this, an enclosure will not be needed for the swap:
An enclosure allows you to use your old HDD for storage or backup purposes. The cable will not.
Here are instructions as to how the swap can be performed using DISK UTITY. Substitute You cable for the enclosure in same:
INSTALLING A NEW HDD IN A MBP
1. Make certain that you have backed up all of your important data.
2. You will need a HDD enclosure. One with a USB connection will do. A 9 pin Firewire is better.
3. Install your new drive in the enclosure and connect it to your MBP.
4. Open DISK UTILITY>ERASE. From the left hand column drag the new drive into the 'Name' field. Make sure that the format is 'Mac OS Extended (Journaled)'. Click on the 'Erase' button.
5. Click on the 'Restore' button (on top). Drag the old drive into the 'Source' field and the new drive into the 'Destination' field. Click on the 'Restore' button on the bottom right hand corner.
Depending upon the amount of data you are transferring, this may take a couple hours or more. A Firewire will speed up the transfer. This will result in both drives having identical information on them.
6. After the data transfer has completed, you may swap the drives. Start the MBP and you have finished the installation. The initial boot may take a bit longer than you are accustomed to, but that is normal.
7. When you are satisfied that the new hard drive if functioning properly, you can erase the old drive and use it for any needs that you may have.
If there is any confusion on your part, post back.
Ciao.

I am new to mac's and have upgrade from Snow Leopard to Lion but......

I am new to mac's and have upgrade from Snow Leopard to Lion but not all my application will work. Is it save to reinstall using original snow leopard dvd and does it wipe all my other application like apature? I am in a panic over this, any help!!
I came across this online and i want to know is it safe to do this:
Backup your User folders to an external drive. This should preserve your documents, photos, music, etc. If you store those things in locations not in the User folder, make sure to copy those over too.
Insert the Snow Leopard disc. Restart your Mac and hold down C to boot to your DVD drive.
Go to Utilities in the menu bar once the installer pops up and select “Disk Utility.”
Find the drive in the sidebar where Lion is installed, select it and navigate to the Partition tab.
Click on the drop down menu under Partition Layout and select “1 Partition.” Hit Apply.
Now navigate to the Erase tab and make sure “Mac OS Extended (Journaled)” is selected, then hit Erase to delete all data on the drive.
Quit Disk Utility to get back to the Snow Leopard installer and proceed with the install.
Restore your User folder and documents from your backup.
Run Software Update to get everything current, install your apps from your original install media and update those as well.
if any one can help me that would be great, thanks Mike

Before you do that why not do this first:
Repair the Hard Drive and Permissions
Boot from your Lion Recovery HD. When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
To boot from the Recovery HD restart the computer. After the chime hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
If this doesn't help, then you can proceed to reinstall Snow Leopard as follows:
Downgrade Lion to Snow Leopard
1. Boot from your Snow Leopard Installer Disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. 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.
4. Quit DU and return to the installer. Install Snow Leopard.
This will erase the whole drive so be sure to backup your files if you don't have a backup already. If you have performed a TM backup using Lion be aware that you cannot restore from that backup in Snow Leopard. I suggest you make a separate backup using Carbon Copy Cloner 3.4.1.
This will erase the drive so be sure to backup your files before doing this.

Can't upgrade to from Snow Leopard to Lion or Mountain Lion though I have paid for both.

Hi again!
I lost all sound when upgrading to Mountain Lion from Lion and was told by Apple that the cause was likely to be a bad install of ML. I am using a Prism Sound Orpheus Sound Card which worked fine with Lion.
Since then I have put in a new internal System drive and installed the latest version of Snow Leopard firstly with the DVD'S and the using software update.
When going to the apps store I cannot download ML or Lion as I believe (maybe)? that the Apps store thinks that I already have it as it was downloaded into the corrupted system of my old system drive? . I note that all the apps that I have are not listed on the new drive i.e.Pages etc How do I get around this and download Lion and Mountain Lion so that I can rebuild and test my system?

You will need to remove the drive that has Lion/Mountain Lion installed, then boot from the Snow Leopard drive in order to redownload Lion or Mountain Lion. App Store detects any extant Lion/Mountain Lion system thus blocking you from re-downloading.
This time save the download so you won't have to do it again by copying it to your Downloads folder. You can then make your own installer:
Make Your Own Mountain/Lion Installer
1. After downloading Mountain/Lion you must first save the Install Mac OS X Mountain/Lion application. After Mountain/Lion downloads DO NOT click on the Install button. Go to your Applications folder and make a copy of the Mountain/Lion 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 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. 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. Locate the saved Mountain/Lion installer in your Downloads folder. CTRL- or RIGHT-click on the installer and select Show Package Contents from the contextual menu. Double-click on the Contents folder to open it. Double-click on the SharedSupport folder. In this folder you will see a disc image named InstallESD.dmg.
4. Plug in your freshly prepared USB flash drive. You are going to clone the content of the InstallESD.dmg disc image to the flash drive as follows:
Double-click on the InstallESD.dmg file to mount it on your Desktop.
Open Disk Utility.
Select the USB flash drive from the left side list.
Click on the Restore tab in the DU main window.
Select the USB flash drive volume from the left side list and drag it to the Destination entry field.
Drag the mounted disc icon from the Desktop into the Source entry field.
Double-check you got it right, then click on the Restore button.
When the clone is completed you have a fully bootable installer that you can use without having to re-download Mountain/Lion.
Note: The term Mountain/Lion used above means Lion or Mountain Lion.
As an alternative to the above you can try using Lion DiskMaker 2.0 that automates the process.

The apple store is so unhelpful. I have an iMac computer operating on Mac OSX 10.5.8. I want to upgrade to the latest Mountain Lion operating system so I can work with the iCloud on my computer and download my email. I can't seem to purchase this on-line

The apple store is so unhelpful. I have an iMac computer operating on Mac OSX 10.5.8. I want to upgrade to the latest Mountain Lion operating system so I can work with the iCloud on my computer and download my emails. I can't seem to purchase this on-line as it keeps telling me to go to the app store. I haven't got the app store on my computer as I am told I need iCloud for which I need the new operating system, which I can't download or purchase as I am sent back to an instruction telling mee to go to the app store icon.
How difficult can it be to simply purchase the software on-line have it shipped to you so you can install it, in the event it cannot be downloaded as it appears it can't be based on my curent operating systems being Mac OSX 10.5.8.

Requirements for OS X 10.6 'Snow Leopard'
http://support.apple.com/kb/SP575
Whilst Apple have withdrawn Snow Leopard from download, you can still get it from Apple by calling 1-800-MY-APPLE (if you are in the USA) and they will supply the SL DVD for $30. You can also purchase the code to use to download Lion from the same number.
Requirements for Mountain Lion:
http://www.apple.com/osx/specs/

MacBook Early 2008 Core 2 Duo/Penryn Series - Unable to upgrade from Lion to Mountain Lion ( Looking For A Fix )

I own a MacBook "Early 2008 Core 2 Duo/Penryn" Series has Intel Processor (T8100 (2.1 GHz ) / T8300 (2.4 GHz)) 45 nm "Penryn" processors, 4 GB of 667 MHz DDR2 SDRAM (PC2-5300) installed in pairs (two 02 GB modules), a 160.0 GB Serial ATA (5400 RPM) hard drive with "Sudden Motion Sensor" technology, an 8X dual-layer write DVD±RW/CD-RW SuperDrive, an Intel GMA X3100 integrated "graphics processor with 144 MB of DDR2 SDRAM shared with main memory", and a 13.3" widescreen TFT active-matrix "glossy" display (1280x800 native resolution). It also includes AirPort Extreme (802.11a/b/g/n), Bluetooth 2.0+EDR, Gigabit Ethernet, a FireWire "400" port, two USB 2.0 ports, optical digital audio in/out, and video out capabilities (mini-DVI) that supports an external display. These models also include the "scrolling Trackpad", built-in iSight video camera, "MagSafe" power connector, "flush against the bed " keyboard that does not touch the screen” and "no moving parts" magnetic latch that "catches without a catch".
Now to the adventure on this, the above model (stock) ships with a Operating System MAC OS X Leopard which was succeeded by MAC OS X Snow Leopard ( $19.99 / INR 1060.00 approx. ) which was again upgraded to MAC OS X Lion ( $19.99 / INR 1060.00 approx. ) and the latest one is MAC OS X Mountain Lion ( $19.99 / INR 1060.00 approx. ).
Interesting part to all this technological babble is how APPLE INC forces you buy their product both hardware and software. Now, I have this old MacBook Early 2008 Model PC and I took it to the shop and I thought I would upgrade the software (OS and APPS) so I take it to the iStore ‘Rescue Centre’, as APPLE INC calls it world over, they say you will have to upgrade it version by version and each version would cost you a licence fee! SO the cost break up would be, I’m currently on MAC OS X Leopard to be updated by MAC OS X Snow Leopard ( cost $19.99 / INR 1060.00 approx. ) which again to be upgraded MAC OS X Lion ( cost $19.99 / INR 1060.00 approx. ) and then to latest one is MAC OS X Mountain Lion ( cost $19.99 / INR 1060.00 approx. ) which means I have to pay INR 3210.00 to upgrade the machine and I agree to pay for that and after two upgrades the third one(that is the latest version) was not compatible with my machine because of inferior/outdated hardware e unit and If I want the new operating system then I told to buy the new machine which costs between INR 90,000 to INR 1,40,000!!
That … ***** !!!
So I’m here looking for somebody, anybody, whether you would be able to help me with my MacBook which is early 2008 Core 2 Duo/Penryn Series (for exact specifications, see above) and I currently running Lion on it and wondering is there any way I can upgrade this to Mountain Lion?

Your early 2008 MacBook cannot be upgraded to Mountain Lion. The reason is that Mountain Lion is entirely a 64 bit operating system, and cannot use any 32 bit components. Lion, while also 64 bit-based, can use some 32 bit components, and thus would work on all Core 2 Duo machines. This article has more details.
The center you went to was incorrect when they said you have to upgrade to each operating system. You need to be at Snow Leopard in order to access the App store to download Mountain Lion. You don't have to install Lion to get to Mountain Lion. See this Apple page on this.

How can I upgrade to Lion or Mountain Lion if I'm still using Tiger 10.4.11?

I have an old (5 years +/-) MacBook that is still running on 10.4.11. I want to upgrade to a better OS but I think I need to increase the memory in the computer to be able to upgrade. Is this true? If so, how do I go about it?
Thanks!!

Upgrade Paths to Snow Leopard, Lion, and/or Mountain Lion
You can upgrade to Mountain Lion from Lion or directly from Snow Leopard. Mountain Lion can be downloaded from the Mac App Store for $19.99. To access the App Store you must have Snow Leopard 10.6.6 or later installed.
Upgrading to Snow Leopard
You must purchase Snow Leopard through the Apple Store: Mac OS X 10.6 Snow Leopard - Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.
After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Access to the App Store enables you to download Mountain Lion if your computer meets the requirements.
     Snow Leopard General Requirements
       1. Mac computer with an Intel processor
       2. 1GB of memory
       3. 5GB of available disk space
       4. DVD drive for installation
       5. Some features require a compatible Internet service provider;
           fees may apply.
       6. Some features require Apple’s iCloud services; fees and
           terms apply.
Upgrading to Lion
If your computer does not meet the requirements to install Mountain Lion, it may still meet the requirements to install Lion.
You can purchase Lion by contacting Customer Service: Contacting Apple for support and service - this includes international calling numbers. The cost is $19.99 (as it was before) plus tax. It's a download. You will get an email containing a redemption code that you then use at the Mac App Store to download Lion. Save a copy of that installer to your Downloads folder because the installer deletes itself at the end of the installation.
     Lion System Requirements
       1. Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7,
           or Xeon processor
       2. 2GB of memory
       3. OS X v10.6.6 or later (v10.6.8 recommended)
       4. 7GB of available space
       5. Some features require an Apple ID; terms apply.
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.

Windows 7 no longer boots after upgrade from Lion to Mountain Lion

I got a late 2011 MacBook Pro, on which I installed Windows 7 with Boot Camp. After I upgraded from Lion to Mountain Lion, I can no longer boot Windows. If I keep the option button pressed during boot I only get the OS X and recovery options, and if I choose to boot Windows from the system preferences pane, I get a message that says that no bootable device was found. However, I'm sure that the partition is still there, because I can see it in finder and browse the files normally. How can I boot Windows again?

"Easier" in this case as an alternative is defined as repartitioning/reformatting your disk, and restoring from backups (which for most people also means starting from scratch with Boot Camp Assistant and Windows since most users aren't backing that environment up).
What you did is, in my opinion, easier and faster. But if you don't know what you're doing can lead to data loss. But then, by definition, blowing away your disk and starting over with a restored backup begins with data loss!

I have a big problem with Lion and PGP. After upgrading from snow leopard to lion I cannot access my PGP drive which was generated under snow leopard. PGP does not start but gives a notion that lion cannot work with my PGP version. Solution?

After upgrading from Snow Leopard to Lion I cannot access a PGP drive which was generated under snow leopard. PGP does not start. When I try to start I just receive a message that Lion cannot work with PGP. How can I now access important and confifential informatio which I have stored in PGP (snow leopard). Do I have to move back to snow leopard. If so, how can I do this?

If you have this product,
http://www.symantec.com/business/support/index?page=content&id=TECH165159
you have to go back to Snow Leopard.
To re-install SL, back up your home directory, format and re-install.

I want to upgrade to Lightroom 5, but I'm concerned about compatibility with my 2008 intel Core 2 Duo iMac with only 4G of Ram. Will I be able to run Lighroom 5 if I upgrade from Snow Leopard to Lion?

I want to upgrade to Lightroom 5, but I'm concerned about compatibility with my 2008 intel Core 2 Duo iMac with only 4G of Ram. Will I be able to run Lightroom 5 okay if I upgrade from Snow Leopard to Lion? What will happen to the applications that aren't 64-bit compatible? Also the Eye-one Display 2 colorimeter to calibrate the monitor will not run on Lion, so that will be an expensive upgrade to an i1DisplayPro. Is the upgrade important enough to offset the expense? I have an Epson R2000 printer. Will there be problems with the drivers if I upgrade to Lion? It would be great to hear from other mac users who are also photographers and who print their own photos.

Before upgrading to Lion be sure to read this link:
https://discussions.apple.com/docs/DOC-6271
Adobe lists these requirements:
http://www.adobe.com/products/photoshop-lightroom/tech-specs.html
Looking at http://www.everymac.com/ even the earliest 2008 iMac was fully 64 bit, even though Boot Camp doesn't support 64 bit Windows on that machine.

HT201250 I recently replaced my 2009 Macbook Pro's hard drive. I had the Apple store upgrade the OS to Mountain Lion while it was being repaired. I want to restore all of my old files and data, if I restore from Time Machine, will it revert to the old O

I recently had to replace my 2009 Macbook Pro's hard drive. I had the apple store upgrade the OS to Mountain Lion while it was in being repaired. I want to restore all of my old data and files. If I perform a restore from Time Machine, with a date prior to having the hard drive replaced, will it revert back to the old OS?

No, it won't revert to the prior OS X but you you may have third party apps installed that were compatible with Lion that may not be compatible with Mountain Lion.
App Compatibility Table - RoaringApps - App compatibility and feature support for OS X & iOS
After you restore from TM, check HD > Incompatible Software

Upgrade to Lion or MT Lion?

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