Choose About this Mac from the Apple menu and check the processor.
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If you prefer to download updates via Software Update in the Apple menu (which would ensure that the correct version for your Mac was being downloaded), it is not recommended to allow SU to install major (or even minor) updates automatically. Set Software Update to just download the updater without immediately installing it. Download Mac OS X 10.5.6 for Mac & read reviews. The Mojave update. Mac os x 10 5 8 update free download - Mac OS X Update, Apple Mac OS X Lion 10.7.5 Supplemental Update, Apple Mac OS Update 8.6, and many more programs.
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If it's a Core Duo Mac, click here, install the DVD, and run Software Update.
If it's a Core 2 Duo or better Mac, upgrade it as if it was a Core Duo Mac, and once done, if desired, open the Mac App Store and try downloading Yosemite. If you get told it's incompatible, go to the online Apple Store and order a download code for Lion 10.7.
Mac OS X 10.7 and newer don't support PowerPC software such as Microsoft Office 2004. If you upgrade the OS, back up the computer first.
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Download Mac Os X 10.5 8 Combo Updates
Apr 7, 2015 1:53 PM