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John T. F.
John T. F., Mac Druid
Category: Mac
Satisfied Customers: 2268
Experience:  20+ years in the computer/Mac industry
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I have two Mac computers (and iMac and a laptop) running on

Customer Question

I have two Mac computers (and iMac and a laptop) running on OSX 10.5.8. Can I upgrade to the current operating system
Submitted: 1 year ago.
Category: Mac
Expert:  John T. F. replied 1 year ago.
Hello! My name isXXXXX will work diligently to provide accurate advice and information.

Can you supply the serial numbers for each?

Click the Apple Logo in the menubar at the top of the screen

Select "About This Mac"

In the window that opens, look for the "Version" information.

Then, repeatedly click on the word "Version" until it says "Serial Number" and please provide that number.

Thanks,
John
Customer: replied 1 year ago.

for the iMac the serial number is QP9220XM0TJ


 


for the laptop it is


31QST7KXT

Expert:  John T. F. replied 1 year ago.
Thanks, Richard.

can you double check the laptop serial number please?
Customer: replied 1 year ago.

the serial number for the MacBook is


W88525ZL1AQ


 


I don't know how I found the other number -sorry

Expert:  John T. F. replied 1 year ago.
Thanks again Richard!

It looks like you are in luck and both Macs can be upgraded to the latest version, OS X 10.8 Mountain Lion.

First you must upgrade to 10.6 and going from OS X 10.5.x to OS X 10.6.x is a paid upgrade.

For a limited time, it may be available via the Apple Online store in the US:
http://store.apple.com/us/product/MC573/mac-os-x-106-snow-leopard

It is no longer officially sold in most stores and if you can't readily find it most customers have been able to get it via telephone.

Call 1-800-MY-APPLE (1-800-692-7753) and tell them you want the Snow Leopard upgrade which they can send on CD for around $20 USD shipped.

Once you have the disc, the upgrade process is fairly simple. After the install, keep running System Preferences > Software Update until no more updates are offered.

Once you have 10.6.8 installed, you will then be able to upgrade to the latest release of OS X (10.8 Mountain Lion) via the Mac Store. Sadly, you must have 10.6.8 installed first to upgrade further.

If you continue to have questions on this topic, just reply back to this discussion. I will be more than happy to work with you further. Hopefully, this info will answer your question. If so please, please remember that when you are asked to give a rating, you are rating my personal service only and not this website itself or your issue.

Thanks and good luck,
John

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