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is it possible to upgrade my imac OS 10.5.8 to OS X Lion via an internet download?

I am having problems downloading a TV show from itunes. The tech told me to get the latest version of itunes but I have OS 10.5.8 which is below the requirement for downloading the itunes new version.


How do I upgrade my OS?

iMac (17-inch 1 GHz), Mac OS X (10.5.8)

Posted on Sep 28, 2012 10:28 AM

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10 replies

Sep 28, 2012 10:49 AM in response to retired in FL

No. You must go via the Snow leopard official disc.


Before you buy anything, you should first make sure your Mac is compatible.

For the minimum specs for Snow Leopard read the technical specifications … Mac OS X v10.6 Snow Leopard



Once you have bought your copy you will need to update via software update or the Combo updater for Snow Leopard … Mac OS X 10.6.8 Update Combo v1.1 Remember to repair permissions both before and after each upgrade/update.


But check first to see if Mountain Lion is possible for you. Without that you may not get iTunes 10.7

Mountain Lion.Apple - OS X Mountain Lion - Read the technical specifications.

Incidentally, you can no longer buy Snow Leopard from the Apple retail stores. If you are in North America ... the last I read, you must call the on-line Apple store at (1-800-MY-APPLE). It is $29 plus tax for family pack and $19 plus tax for a single. Otherwise you can call your National Apple Helpline and ask for Sales. http://support.apple.com/kb/HE57



Message was edited by: seventy one

Sep 28, 2012 10:55 AM in response to retired in FL

Which version of iTunes are you using? Tech. support will always tell you to make sure you are running the newest software but this is not always necessary and I haven't mass compaints of not being able to download from the store by other users locked out of 10.7.


Be more specific as to what the problems are. Are you seeing error messages, and if so, what are they exactly? Just saying you are having problems could even be something as simple as you need to plug in your computer. 🙂


As for upgrading OSX version, get more information about your computer, go to the Apple in the upper left corner of any window, then "About This Mac", then "More Info..." Copy and paste the information here, but omit the serial number and Hardware UUID (if present). You may not even be able to upgrade OS without buying a new computer.

Sep 28, 2012 11:12 AM in response to retired in FL

My problem with iTunes was that I downloaded a TV show and it had no sound. I contacted iTunes and their first suggestion was to get the latest version of iTunes then to download it again.


Here is my imac information:


Hardware Overview:


Model Name: iMac

Model Identifier: iMac9,1

Processor Name: Intel Core 2 Duo

Processor Speed: 2.66 GHz

Number Of Processors: 1

Total Number Of Cores: 2

L2 Cache: 6 MB

Memory: 4 GB

Bus Speed: 1.07 GHz

Boot ROM Version: IM91.008D.B08

SMC Version (system): 1.37f3



So do I need a new computer????

Sep 28, 2012 12:02 PM in response to retired in FL

Yes, you can go at least as far as Snow Leopard (10.6) and quite likely higher (read the links for technical specifications). The one drawback with going too far right now is you may find some older software will no longer work and you will have to buy newer versions.


About Disk Utility's Repair Disk Permissions feature - http://support.apple.com/kb/HT1452


Upgrading to Mountain Lion - http://www.apple.com/osx/how-to-upgrade


Mac OS X: System requirements for Mountain Lion (10.8) - http://www.apple.com/macosx/specs.html


Lion and Mountain Lion application compatibility - http://roaringapps.com/apps:table



Macs and Software that will run with Snow Leopard (Mac OS X 10.6.x) - https://discussions.apple.com/docs/DOC-2455


System requirements for OS X Lion and Mac OS X v10.6 - http://support.apple.com/kb/HT4949


Mac OS X: System requirements for Mountain Lion (10.8) - http://www.apple.com/macosx/specs.html

Sep 28, 2012 12:28 PM in response to retired in FL

I have work I need to do outside. I am providing you with the resources you need to compare with the information you provided earlier about your computer to decide how far you can and are interested in upgrading. It's like buying a new pair of pants. You have to decide if they will fit and if they meet your requirements such as matching your current set of shirts.


Look at the computers supported by each system and see if your computer meets those requirements. It may meet in some regards but not in others. Your computer may be able to run Mountain Lion but if Mountain Lion kills all your old software and you have to spend $600 in upgrading all your software then you may decide to hold off.


For sure you will have to buy at least Snow Leopard since the others require you have that to upgrade. Start there. Your computer will easily run SL and it should run your old software. Realize though that SL is already no longer supported by Apple and next year you could well be back here having this exact same discussion again.

Sep 28, 2012 12:58 PM in response to retired in FL

I can well understand your thoughts Retired in FL. Limnos has more than adequately described the situation; my observations were quite basic. All the same the concensus, from what I see, is very similar.


If your needs are fairly limited, you do not need a new computer. You have to remember that the constant upgrading of equipment is as much in commercial interest as progress. Indeed, progress can be no more than a creative exercise; progress for progress's sake. Unfortunately some of those progressives are a cunning lot.


I wish you well. I suspect you will make the right decision and I'm glad for us all that we may have contributed.

is it possible to upgrade my imac OS 10.5.8 to OS X Lion via an internet download?

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