HT3397: About the Mac OS X 10.5.7 Update
Learn about About the Mac OS X 10.5.7 Update
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Q: How do I update from OS X 10.5.8 to 10.6
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Feb 3, 2014 11:45 AMby Niel,Choose About this Mac from the Apple menu and check the processor.
If it's a PowerPC Mac, it's already running the newest OS it can.
If it's an Intel Mac, click here, install the DVD, and run Software Update.
Mac OS X 10.6 also requires at least 1GB of RAM.
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