Currently Being ModeratedJun 18, 2012 12:05 PM (in response to Clemens)
We know nothing about your computer. Maybe it cannot run anything newer; maybe it can. 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).
OS X Lion (10.7) Technical Specifications - http://support.apple.com/kb/SP629
Installing Lion: Our complete guide - http://www.macworld.com/article/161064/2011/07/installing_lion_complete_guide.ht ml
How to install Lion over Leopard - http://www.macworld.com/article/161087/2011/07/install_lion_over_leopard.html
OS X Lion: Installation Guide, Boot Discs and Q&A - http://www.macstories.net/mac/os-x-lion-installation-guide-boot-discs-and-qa/
Lion application compatibility - http://www.everymac.com/mac-answers/os-x-lion-faq/os-x-lion-compatible-incompati ble-applications-quicken-office-eudora.html
Lion application compatibility (2) - http://www.everymac.com/mac-answers/os-x-lion-faq/how-to-check-powerpc-applicati ons-not-compatible-with-os-x-lion.html
Lion and Mountain Lion application compatibility - http://roaringapps.com/apps:table
Currently Being ModeratedJun 18, 2012 12:07 PM (in response to Clemens)
You would need to buy the Snow Leopard install disk first; that will get you 10.6. 10.6 will give you access to the Mac App Store which is used to download later versions. I would wait until 10.8 Mountain Lion comes out next month, and you will be able to update straight from Snow Leopard using the Mac App Store.
Currently Being ModeratedJun 18, 2012 12:08 PM (in response to stevejobsfan0123)
Unless the person is running a G4 or G5 which for all we know they could be.
Currently Being ModeratedJun 18, 2012 12:14 PM (in response to Limnos)
True, I suppose I was being a bit optimistic, though seeing as SL was released in '09 I figured it is entirely possible that the OP bought it around then, maybe a little before, or maybe even after.
Currently Being ModeratedJun 18, 2012 12:35 PM (in response to Clemens)
thanks for the help! I should be able to run newer versions as I have a MacBook with Intel Core 2 Duo. However, I had hoped there would be a all-in-oe update. Well thanks anyways.